Sophos

W32/Agobot-TW

Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Network shares
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 26 October 2005 09:42:28 (GMT)
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Action

More Information

W32/Agobot-TW is a worm and backdoor Trojan for the Windows platform.

W32/Agobot-TW runs continuously in the background, providing a backdoor server
which allows a remote intruder to gain access and control over the computer.

W32/Agobot-TW spreads via common buffer overflow exploits, including LSASS (MS04-011), RPC-DCOM (MS04-012), and PNP (MS05-039), as well as to weakly protected network shares. W32/Agobot-TW is a worm and backdoor Trojan for the Windows platform.

W32/Agobot-TW runs continuously in the background, providing a backdoor server
which allows a remote intruder to gain access and control over the computer.

W32/Agobot-TW spreads via common buffer overflow exploits, including LSASS (MS04-011), RPC-DCOM (MS04-012), and PNP (MS05-039), as well as to weakly protected network shares.

When first run W32/Agobot-TW copies itself to <System>\msn5.exe.

The following registry entries are created to run msn5.exe on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Video Process
msn5.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Video Process
msn5.exe

The file msn5.exe is registered as a new file system driver service named "Video
Process", with a display name of "Video Process" and a startup type of
automatic, so that it is started automatically during system startup. Registry
entries are created under:

HKLM\SYSTEM\CurrentControlSet\Services\Video Process\

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