W32/Autorun.worm.aaan
What is W32/Autorun.worm.aaan?
W32/Autorun.worm.aaan is a detection for a worm that tries to duplicate itself on the root of any accessible disk drives of the infected computer. Additionally, W32/Autorun.worm.aaan will create an Autorun.inf file on the root of the drive so that it is executed each time the volume is mounted.
| Type | Worm |
| Sub-Type | Downloader |
| Aliases | TR/Drop.Agent.jak, Worm.Delf.RAB, Worm:W32/Autorun.MQ, Worm.Win32.AutoRun.hcb |
| OS Affected | Windows |
| Detected By | McAfee |
What are the Symptoms of W32/Autorun.worm.aaan Infection?
It will modify Windows Registry and add the following entries:
- [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Current Version\Run]
Svchost = “%Program Files%\Internet Explorer\svchost.exe”
The threat will drop the following malicious files:
- %Programfiles%\Internet Explorer\svchost.exe
- %Programfiles%\Internet Explorer\iesettings.ceb
- %SystemDrive%\autorun.inf
- %SystemDrive%\Run.exe
How to Remove W32/Autorun.worm.aaan Manually
1. Restart your computer in SafeMode
- After Power-On the computer, just before Windows start, press F8
- From the selections, Select SafeMode
2. Remove Registry entries that the threat added. You MUST BACKUP YOUR REGISTRY FIRST.
- Click Start > Run
- Type in the field, regedit
- Navigate and look for the registry entries mentioned above and delete if necessary
3. Delete malicious files that the threat added:
- Base on the given location above, browse and delete the file
- If no location is given, click Start>Search> and search for the files.
- If cannot be deleted, press Ctrl+Alt+Del to access Task Manager, see if the file is running in the process. If it is, select the file and click End Process. Perform file delete again.
4. Scan computer with Antivirus Program
- Update antivirus program
- Scan computer and delete all detected threats.
