Summary

Summary
Action
More Information
| Affected operating systems | Windows |
|---|---|
| Characteristics |
|
| Protection available since | 2 April 2006 13:50:04 (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

Summary
Action
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Please follow the instructions for removing Trojans.
More Information
Troj/Cosiam-F is a backdoor Trojan which allows a remote intruder to gain access and control over the computer.
Troj/Cosiam-F includes functionality to access the internet and communicate with a remote server via HTTP.
When first run Troj/Cosiam-F copies itself to <System>\tetriz3.exe and creates the file <System>\bin29a.log.
The following registry entries are created to run tetriz3.exe on startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
tetriz3
<System>\tetriz3.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
tetriz3
<System>\tetriz3.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
tetriz3
<System>\tetriz3.exe
Registry entries are created under:
HKLM\SOFTWARE\Microsoft\
