For remove Mal/Rootkit-W virus,please clean/delete all Mal/Rootkit-W infected files and Delete/Modify any values Mal/Rootkit-W added to the registry as following:
Mal/Rootkit-W
Category
Viruses and Spyware
Type
Malicious Behavior
Action:
If you've received an alert for a virus or spyware, then follow the instructions for removing the threat.
Prevalence
low
high
Summary
Summary
Action
Infected OS:
Windows
Protection available since
27 January 2010 06:43:41 (GMT)
Detected by
All Sophos products
For successful remove Mal/Rootkit-W virus,you may also need do as following:
1. Temporarily Disable System Restore .
2. Update the virus definitions. Reboot computer in SafeMode;