Sophos

W32/Mytob-HE

Aliases
  • Net-Worm.Win32.Small.k
  • WORM_MYTOB.PH
Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Network shares
  • Peer-to-peer
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 10 April 2006 03:28:16 (GMT)
Detected by All Sophos products
  • Free virus, spyware, and adware scan
  • Test your existing anti-virus protection
  • Find threats your anti-virus missed

Action

More Information

W32/Mytob-HE is a mass-mailing worm and IRC backdoor Trojan for the Windows platform.

When run the worm attempts to copy itself to <System>\0.exe as well as to various P2P shared folders using various filenames.

In order to run automatically when Windows starts up W32/Mytob-HE creates the following registry entry:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
begins
<System>\0.exe

W32/Mytob-HE will harvest email addresses from the infected computer and then mail itself to those addresses as an attachment.

W32/Mytob-HE also attempts to terminate various anti-virus and security related applications and processes.

RSS|Atom
Get reports about the latest virus and spyware threats delivered to your computer