Sophos

W32/Autorun-AB

Aliases
  • IS/Autorun
Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Removable storage devices
Affected operating systems Windows
Characteristics
  • Drops more malware
  • Installs itself in the registry
Included in our products from February 2008 (4.26)
Protection available since 15 December 2007 05:30:20 (GMT)
Detected by All Sophos products

Action

More Information

W32/Autorun-AB is a worm for the Windows platform.

W32/Autorun-AB creates an autorun.inf file and copies itself as ntdeIect.com on to removable drives. The file autorun.inf is proactively detected as Mal/AutoInf-A.

When first run W32/Autorun-AB copies itself to <System>\kavo.exe and creates the following files:

<Temp>\q2heu0.sys - detected as Mal/Rootkit-A
<Temp>\rcfgto.dll - detected as W32/Autorun-AB
<System>\kavo0.dll - detected as Troj/Lineag-Gen

The following registry entry is created to run kavo.exe on startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
kava
<System>\kavo.exe

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