high
Summary
Summary
Action- More Information
| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
|
| Protection available since | 22 February 2006 07:30:54 (GMT) |
| Detected by | All Sophos products |
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Action
- Summary
- Action
- More Information
Please follow the instructions for removing worms.
Windows NT/2000/XP/2003
In Windows NT/2000/XP/2003 you will also need to edit the following registry entry for each user who ran the virus. 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.
Each user has a registry area named HKEY_USERS\[code number indicating user]\. For each user locate the entry:
HKU\[code number]\Software\Microsoft\Windows\CurrentVersion\Run\
sysformat
<System>\sysformat.exe
and delete it if it exists.
Close the registry editor.
More Information
W32/Bagle-CY is a mass-mailing worm for the Windows platform.
When first run W32/Bagle-CY copies itself to <System>\sysformat.exe.
The following registry entry is created to run sysformat.exe on startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
sysformat
<System>\sysformat.exe
W32/Bagle-CY sets the following registry entries, disabling the automatic startup of other software:
HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess
Start
4
Note: disabling autostart for the SharedAccess service deactivates the Microsoft Internet Connection Firewall (ICF).
Registry entries are created under:
HKCU\Software\Microsoft\Params\
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