Sophos

Troj/Spybot-BZ

Aliases
  • Backdoor.SdBot.jb
  • W32/Spybot.worm.gen.m
  • virus
Category
Type
What to do
Prevalence low high

Summary

 
Included in our products from June 2004 (3.82)
Protection available since 6 May 2004 12:37:58 (GMT)
Detected by All Sophos products

Action

More Information

Troj/Spybot-BZ is an IRC backdoor Trojan which runs in the background as a
service process and allows unauthorised remote access to the computer over a
network.

The Trojan copies itself to the Windows system folder as system32.exe or as a
random filename. The Trojan also adds the following registry keys to ensure it
starts on logon:

HKCU\Software\Microsoft\Windows\CurrentVersion\Runonce\
System Terminal = SYSTEM2.EXE

HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
System Terminal = SYSTEM2.EXE

Troj/Spybot-BZ then logs on to predefined IRC servers and waits for backdoor
commands. The Trojan also terminates the following processes:

REGEDIT.EXE
MSCONFIG.EXE
TASKMGR.EXE
NETSTAT.EXE.

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