The Trojan.KKiller Trojan Horse, also known as Trojan.Win32.KKiller [KAV], terminates many processes, including those of popular antivirus and firewall programs. It also modifies a registry key, so that it runs when you try to execute any .exe file. Trojan.KKiller is written in the Delphi programming language and is packed with UPX. Read more on this Symantec page.
Beware of W32.Lirva.A on Certain Days
The 7th of January may spell trouble as W32.Lirva.A, a mass-mailing worm, has sprouted. W32.Lirva.A also spreads via IRC and ICQ. The worm attempts to terminate anti-virus and firewall products. The worm will launch the Web browser to
MS-DOS Virus Called Peito
The Peito virus is out today, according to Panda Software, which gives the virus a very low threat rating. An MS-DOS virus, Peito's actions are considered very dangerous, since it is capable of reformatting on the C: drive, meaning it will delete the content.
It spreads rapidly, infecting MS-DOS and Windows executable files. Find out what the visible symptoms on this Panda Software page.
W32/Yaha.K Spreading Via Email
Security software vendor McAfee says W32/Yaha.k is rated as medium risk for home and corporate users. This mass-mailing worm attempts to send itself to email addresses found on an infected system.
It will try to disable anti-virus and security software and contains code to deliver a denial of service attack on a specific remote system.
This virus may spread via a variety of different emails, including versions that appear to come from a known security software vendor, such as McAfee, Norton or Trend Micro. This email variation masquerades as a virus warning and asks the user to download a protection tool, which is, in fact, the virus itself. For more information, visit McAfee's antivirus page.
TrendMicro: LIRVA.A Rates Low Threat
From TrendMicro: There are no medium or high risk alerts at this time. TrendMicro gives the LIRVA.A worm a low rating.
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