Thursday, July 31, 2008

Latest Malware and Vulnerabilities

From Mary Landesman, your guide to Antivirus Software, the latest viruses and other computer-related threats, plus virus encyclopedias to help you find out what that virus does.
A Storm of Scary Email
In recent weeks, a rash of spam has been sent that bear much resemblance to the all-too-familiar tactics of the Storm botnet.
Most Damaging Malware
All malware is bad, but some types of malware do more damage than others. That damage can range from loss of files or total loss of security. This list (in no particular order) provides an overview of the most damaging types of malware.
Easily Remove the MonaRonaDona 'Virus'
The MonaRonaDona 'virus' is a self-advertised 'virus' that isn't even a virus at all. It's a non-replicating program (i.e., a Trojan) that loads when Windows is started, changing the Internet Explorer title bar to read MonaRonaDona and displaying a message which blocks access to your legitimate running programs.
What is JS/Psyme (and How to Get Rid of It)
Many users have experienced repeated warnings of infection by Psyme each time they open their browser. Depending on the antivirus in use, the name given in the warning may be any of the following: Downloader.Psyme (Symantec), Troj/Psyme (Sophos), Trojan.VBS.KillAV (Kaspersky), TrojanDownloader.VBS.Psyme (CA),Trojan.Downloader.JS.Psyme (Kaspersky), VBS/Petch.A (F-Prot), VBS/Psyme (McAfee)
What is the Storm Worm?
The so-called Storm worm is actually not a worm, but rather a family of Trojans that typically include a backdoor, SMTP relay, P2P communications, email harvester, downloader, and often a rootkit.
U.Z.A. O/S Eliminator Worm
The so-called "U.Z.A. O/S Eliminator" worm appears to have originated in Maldives sometime in late July or early August 2007. The worm exploits the autorun feature, enabling it to spread from removable USB/thumb drives to other computers.
Freedom / Outlaw Worm
The Freedom 'virus' is a worm that infects local and USB drives, disables access to Task Manager, Registry Editor and other system utilities, and may try to delete MP3 files found on infected systems. Here's how to clean it.
Trojan.MeSpam Makes You the Spammer
Instead of relying on bots to do the dirty work, Trojan.MeSpam makes you the culprit. Once infected, every forum post you make, every webmail you send, and every blog comment you leave will also deposit a link pointing to a nefarious website.
Rinbot Worm Prompts Repeated Denials
Is Rinbot the little worm that isn't? Or is it simply the worm that no one wants to acknowledge exists? Here's a timeline of this "non-threat".
Storm Worm
The Storm worm spreads via email, using a variety of subject lines and message text that may masquerade as news articles or other current events.
Skype Chatosky Worm: Friend or Foe?
Thanks to the Chatosky worm, I uncovered some things about the Skype service that I might not otherwise have known.
Qspace Javascript Worm Targets MySpace Users
MySpace users are yet again a victim of another targeted attack. Dubbed JS_QSPACE.A by antivirus vendor Trend Micro and JS.Qspace by Symantec, the Javascript worm exploits a cross-site scripting (XSS) vulnerability embedded in a malicious Quicktime .MOV file.
Rontokbro aka Brontok Worm
A mass-mailing email worm that also spreads via USB and thumb drives, the Rontokbro worm - also know as Brontok - takes a multifacted approach to defy detection and removal.
Stration Email Worm
Stration is a mass-mailing email worm that attempts to download a file from a remote server. The worm may inject itself into certain running processes, potentially causing it to bypass firewalls or other security software.
Stration Worm
Stration is a mass-mailing email worm that may attempt to download files from a remote server.
VML FUD FAQ
There's a lot of misinformation being disseminated around the recently discovered VML vulnerability. Here's an attempt to address those misconceptions and alleviate some of the fears.
Zero-Day VML Vulnerability Impacts IE, Windows
A zero-day vulnerability in the Windows implementation of Vector Markup Language (VML) impacts all supported versions of Internet Explorer, all supported versions of Microsoft Windows 2003, Windows XP, and Windows 2000, and recent versions of Outlook and Outlook Express.
Are You in a Botnet?
With 12 million infected systems under their control, botnet operators are controlling a population rougly the size of Guatemala. In fact, the number of infected systems would place it at about 70 out of 230 sovereign states and territories worldwide.
Popular Antivirus Apps *Do* Work
The more a story gets told, the more the original story gets changed by each new storyteller. Sometimes, the story gets so far removed from the original, that the entire intent of the story is lost and new intent construed. Such is the case with the story of antivirus effectiveness, which was recently put through the spin cycle, wrung out, and reformed by Charlie White, editor of the Gizmodo gadget blog.
McAfee Downplays Security Flaws
Vulnerability researchers at eEye Digital uncovered serious flaws in McAfee security products that could allow attackers to gain remote control of affected systems.
Yahoo worm: JS/Yamanner
An early-morning report on a security mailing list led to the discovery of Yamanner, a mass-mailing email worm that impacted Yahoo webmail users.
Gamblers Lose Big with Free Tool
Every successful gambler knows how to handle a certain amount of risk, and how to minimize their losses. But a free tool that promised to help gamblers get the most out of the game turned out to be a Trojan that scammed them out of their winnings.
Hoot Worm Preys on Company
It seems a disgruntled employee targeted their enterprise with a worm that causes pictures of a rather odd looking owl to print on nearly 40 printers specific to the targeted firm.
Nugache Worm
Nugache is a worm that may spread via email, IM, or P2P networks.
Ransomware: Trojans demand money from victims
Having your computer infected with a virus or other malicious software is upsetting enough. But over the past year, a new type of attack promises to be even more disconcerting. Dubbed ransomware, this new attack infects the system, encrypts the files, and then demands payment from its victims.
QuickBatch Trojan Targets the Blind
There is no such thing as a good virus, but some viruses are more despicable than others. Case in point, the newly discovered W32/QuickBatch.G!tr Trojan that specifically targets members of the blind community.
Bagle worm variant warns: 'Lawsuit Against You'
Bagle worm variant that spreads via email and fileshares/P2P networks warns of 'Lawsuit Against You'
Nyxem aka Blackmal worm
Discovered on January 17, 2006, the Nyxem worm has a dangerous payload that executes on the 3rd of each month, overwriting files with specific extensions.
2005: Top Ten Malware Events
Here's the best and worst of 2005 from a malware perspective.
2003: Year of the Black Sheep
It seems appropriate that the Chinese dubbed 2003 as the Year of the Black Sheep. Among other things, the sheep is a symbol of untidiness - and from a virus standpoint, the year was indeed a mess.
2002: Virus Writers Contribute to SPAM
The year 2002 ushered in a new era of malicious marketing code
2001: Year of the Virus
Detecting email-borne viruses every 18 seconds, MessageLabs calls 2001 The Year of the Virus
WMF Image Handling Exploit
A serious vulnerability in Windows Fax and Picture Viewer can allow remote attackers to use .WMF image files to gain control of your system.
Sober.X Worm Description
Sober.X is a mass-mailing email worm that sends itself in either English or German depending on the recipient's domain. In addition to mass-mailing, Sober.X terminates processes related to various antivirus and security programs.
Sober.U Worm
Sober.U arrives in an email message that may be in either German or English language, depending on the recipient's domain.
Sober.T Worm
Sober.T arrives in an email message that may be in either German or English language, depending on the recipient's domain.
sober.s Worm
sober.s arrives in an email message that may be in either German or English language, depending on the recipient's domain.
Sober.R Worm
Sober.R arrives in an email message that may be in either German or English language, depending on the recipient's domain.
Sony Stinx Trojan
The Sony Stinx Trojan exploits the Sony DRM cloaking technology (aka rootkit) installed by music CDs published by Sony after March 2005. This allows the malware to be hidden from view - effectively masking its presence even from most antivirus scanners. The Sony Stinx Trojan installs an IRC Backdoor Trojan that allows remote access to compromised PCs, downloads other malware, and disables the Windows XP firewall.
Slapper worm gets facelift: Linux Lupper worm, aka Plupi and Lupii
The Linux Slapper worm has been given a facelift and this time BBS admins and web bloggers are the target. The new worm has been given a half dozen new names, including Linux/Lupper worm Linux.Plupi, Backdoor.Linux.Smal, ELF_LUPPER.A and Exploit.Linux.Lupii.
Sony President Defends Rootkit
the President of Sony BMG's Global Digital Business, Thomas Hesse, defends Sony's installation of a rootkit by declaring, "Most people, I think, don't even know what a Rootkit is, so why should they care about it?"
Sony Rootkit Strikes Sour Note
If you've purchased a Sony-labeled music CD since March 2005 and used it on your PC, chances are it installed a rootkit that can be easily exploited by virus writers.
Alleged Botnet Creators Arrested
Dutch police have announced the arrests of the alleged author of W32.Toxbot and two alleged accomplices.
First Sony PSP Trojan
PSP.Brick impacts the Sony PSP game console, flashing critical system files and rendering the console unbootable. The newly discovered PSP.Brick isn't technically a virus - it's a Trojan. But the news surrounding PSP.Brick could be described as a polymorphic virus - it spreads fast and the story changes with each reporter it infects.
IM Worms Pose Signficant Threat
Since January 1, 2005, at least 358 descriptions have been published for specific IM threats.
Kelvir Instant Messenger (IM) worm
The most prevalent IM worm is Kelvir family of worms that target MSN Messenger users.
Agent.AD Trojan nabs headlines from London attacks
Just hours after BBC published a news report titled "London attackers 'meant to kill'", the Agent.AD Trojan email stole the headline and part of the copy, using it as a ruse to entice victims into opening its infected attachment.
AIM worm impersonates iTunes app
IM worms continue to expand their repertoire of social engineering tricks. W32/Olameg-net, a.k.a. Opanki.Y and AIM/Megalo, installs itself to the Windows System directory as itunes.exe, presumably trying to disguise itself as the popular Apple iTunes application.
Michael Jackson suicide spam a Trojan
Malware authors eager to capitalize on the Michael Jackson trial have been sending booby-trapped spam messages claiming the pop-singer has attempted suicide.
Mytob.BI worm
Discovered May 31, 2005, Mytob.BI is a mass-mailing email worm that compromises system security by terminating processes related to various antivirus software, disabling the XP SP2 firewall, and modifying the HOSTS file to prevent access to antivirus updates and certain other websites.
Mytob.AR
Discovered May 30, 2005, Mytob.AR is a mass-mailing email worm that compromises system security by terminating processes related to various antivirus software, disabling the XP SP2 firewall, and modifying the HOSTS file to prevent access to antivirus updates and certain other websites.
Prevent the Mytob worm
The Mytob variants are mass-mailing email worms that compromise system security by terminating processes related to various antivirus software and modifiying the Registry to disable the XP SP2 firewall.
Sober.P turns to spam
The Sober.P worm has morphed into a spam Trojan, sending politically-charged messages from infected systems.
Sober hangover begins
The Sober.P worm abruptly stopped its mass-mailing at midnight GMT on May 9th, presumably entering its second stage of infection.
Firefox flaws rated extremely critical
Firefox flaws rated extremely critical
Sober.P worm threatens
Discovered May 2, 2005, Sober.P (also known as Sober.O) is a mass-mailing email that sends itself in either German or English language, depending on the intended recipient's domain.
Crog IM worm
The Crog worm edits the system registry to lower security settings, modifies the HOSTS file to redirect access to various security sites and shuts down processes associated with various security software.
Kelvir IM worms
Three new IM worms, Kelvir.A, Kelvir.B, and Kelvir.C were discovered by antivirus vendors on March 6th and 7th, 2005.
Bagle.BE worm
Discovered on March 1, 2005 in conjunction with several mass-spammed Bagle-like Trojans, Bagle.BE arrives in an email with a blank subject line
Troj/BagleDl-L
Troj/BagleDl-L is a Trojan, not a worm, and does not contain mass-mailing capabilities. However, Troj/BagleDl-L was mass-spammed via email during the morning of March 1st, 2005.
Bagle.AZ worm
Like Bagle.AY, Bagle.AZ is a mass mailing email and P2P filesharing worm with downloader capabilites.
Bagle.AY worm
Bagle.AY is a mass mailing email and P2P filesharing worm with backdoor and downloader capabilites. As with previous variants and most modern email worms, the worm uses its own SMTP engine to spread via email and the From address is spoofed.
MyDoom.AM hijacks HOSTS
MyDoom.AM is a mass-mailing email and P2P filesharing worm that modifies the HOSTS file to prevent infected users from accessing certain antivirus vendor sites.
Lovgate.W worm
A mass-mailing email and filesharing worm, Lovgate.W also contains backdoor capabilities
A stocking full of coal: Multiple flaws in Windows could lead to compromise
Ever wonder what Bill Gates gets for Christmas? This year, the Chinese security firm VenusTech delivered three new Windows exploits just in time for the holidays.
Zafi.D worm spreads Christmas fear
A new variant of the Zafi worm, dubbed Zafi.D, sends itself as a Christmas greeting - in a variety of languages depending on the recipient's domain.
MakeLOVEnotSPAM mask worn byTrojan
Dubbed TrojanDropper.FakeSpamFighter and Troj/Mdrop-IT, the Trojan masquerades as the Lycos infamous MakeLOVEnotSPAM screensaver
Sober.I worm
Sober.I is a mass-mailing email worm that sends itself in both German and English, depending on the infected users' operating system language. Sober.I uses is own SMTP engine to send itself to email address found on infected systems, spoofing the From address.
Bofra.A worm exploits SHDOCVW.DLL flaw
Bofra.A worm exploits SHDOCVW.DLL flaw
Klez Help Center
The Klez virus uses a variety of techniques to fool and aggravate users
Homepage Virus
Also known as Homepage, this e-mail worm was discovered in the wild on May 8th, 2001
IRCsome McVeigh Video a RAT
Alleged movie of Timothy McVeigh execution really the Subseven remote access Trojan.
Sobig.E worm
The Sobig.E worm spreads via email. The Sobig.E worm attachment is a ZIP file.
Virus Encyclopedia
From your Antivirus.About.com guide, an encyclopedia of virus and hoax descriptions. Includes PC, Macintosh, Unix, Active Content, and Wireless infectors.
AntiVirus Research Center
Timely and searchable information concerning viruses currently in-the-wild and even those that are not.
AVP's VirusList
So comprehensive, it might be somewhat difficult to navigate. Well worth the effort, AVP delivers the definitive virus encyclopedia.
Hoaxes and Myths
Though not a virus, hoaxes and myths can still cause downtime and loss of productivity due to unwarranted panic. Rob Rosenberger maintains a plethora of information concerning these non-threatening threats.
Computer Virus Info
From F-Secure, an alphabetized database of virus descriptions. Search by exact name or keyword.
Panda Virus Descriptions
From the makers of Panda Antivirus, an encyclopedia searchable by name, category or family. The database is prefaced by an introduction to computer viruses and a handy glossary of terms.
The WildList
Compiled from various reporting agencies and individuals. Listing all viruses actually causing active infections worldwide, the wildlist is updated monthly.
Virus Analyses
One very long list of just some of the viruses detected by Sophos.
Virus Information Library
The McAfee AVERT Virus Information Library includes detailed information on viruses as well as popular hoaxes and myths.
WildList Virus Descriptions
F-Secure simplifies the WildList by linking descriptions to the names of the viruses reported to be in the wild. Updated monthly.

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