Sophos

Troj/Spammit-C

Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 23 May 2006 21:17:32 (GMT)
Last updated 25 June 2006 19:51:45 (GMT)
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Action

More Information

Troj/Spammit-C is a backdoor Trojan which allows an infected computer to send emails as instructed by a remote attacker.

The Trojan copies itself to <Windows system folder>\fmwabe.exe and creates the following registry entry in order to run automatically on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
WINDOWS
fmwabe.exe

The following registry entries are set, affecting internet security:

HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\
DomainProfile\AuthorizedApplications\List
<Windows system folder>\fmwabe.exe
<Windows system folder>\fmwabe.exe:*:Enabled:Server

HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\
StandardProfile\AuthorizedApplications\List
<Windows system folder>\fmwabe.exe
<Windows system folder>\fmwabe.exe:*:Enabled:Server

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