Summary

Summary
Action
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| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
|
| Protection available since | 30 November 2007 20:42:55 (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 worms.
More Information
W32/AutoRun-S is a worm for the Windows platform which spreads via Removable Storage Device.
W32/AutoRun-S is a worm for the Windows platform which spreads via Removable Storage Device.W32/AutoRun-S includes functionality to access the internet and communicate with a remote server via HTTP.
When first run W32/AutoRun-S copies itself to:
<Root>\sos.exe
<System>\Systom.exe
and creates the following files:
<Root>\auToRun.inf
<System>\auToRun.inf
The following registry entry is created to run Systom.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
crsss
<System>\Systom.exe
The following registry entry is set, disabling system software:
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
DisableTaskMgr
1
Registry entries are set as follows:
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\WindowsUpdate
DisableWindowsUpdateAccess
1
HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel
HomePage
1
HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
Hidden
0
HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
HideFileExt
1
HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
ShowSuperHidden
0
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL
CheckedValue
0
