Summary

Summary
Action
More Information
| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
|
| Protection available since | 5 August 2004 13:36:44 (GMT) |
| Detected by | All Sophos products |
- Endpoint Security and Control 9.0
- Small business solutions 4.0
Action

Summary
Action
More Information
Please follow the instructions for removing worms.
In Windows NT/2000/XP/2003 you will also need to edit the following registry entry. The removal of this entry is optional in Windows 95/98/Me. Please read the warning about editing the registry.
At the taskbar, click Start|Run. Type 'Regedit' and press Return. The registry editor opens.
Before you edit the registry, you should make a backup. On the 'Registry' menu, click 'Export Registry File'. In the 'Export range' panel, click 'All', then save your registry as Backup.
Locate the HKEY_LOCAL_MACHINE entry:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
Poet = <WINDOWS>\system32\Inf\poet.exe
and delete it if it exists.
Close the registry editor.
More Information
W32/Doep-A is a peer-to-peer network worm which copies itself to the following location:
<WINDOWS>\system32\Inf\poet.exe
and creates the following registry entry to ensure it gets run at system logon:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\
Poet = <WINDOWS>\system32\Inf\poet.exe
W32/Doep-A will create many ZIP compressed copies of itself and delete registry entries. W32/Doep-A is a peer-to-peer network worm.
When first run W32/Doep-A copies itself to the following location:
<WINDOWS>\system32\Inf\poet.exe
and creates the following registry entry to ensure it gets run at system logon:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\
Poet = <WINDOWS>\system32\Inf\poet.exe
W32/Doep-A also creates ZIP compressed copies of itself in the following folder:
<WINDOWS>\system32\Inf
These ZIP compressed copies of the worm have names that are generated randomly using name lists. The ZIP files may also contain a text file or a file with an AVI extension. These files are generated by the worm and added to the ZIP archive along with a copy of the worm.
W32/Doep-A will change the default share folder of various peer-to-peer applications to the following folder:
<WINDOWS>\system32\Inf
For example, the worm changes the default KaZaA share folder by modifying the following registry entry:
HKCU\Software\Kazaa\LocalContent\
Dir0 = 012345:<WINDOWS>\system32\Inf
W32/Doep-A will delete the following registry entries:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\avserve.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\avserve2.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Service Host
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drvsys.exe
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drvddll.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Program In Windows
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VFW Encoder/Decoder Settings
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Protected Storage
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BagleAV
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Norton Antivirus AV
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\skynetave.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMonXP
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ICQ Net
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\runServices\SystemTra
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell
HKCU\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows\run
W32/Doep-A creates the file poet.log in the <WINDOWS>\system32 folder and the file readme.txt in the <WINDOWS>\system32\Inf folder. These files are not malicious and can be deleted.
