W32.Virut Removal Tool

W32.Virut Removal Tool

Also Known As: W32.Virut.CF (Symantec) W32/Virut.n (McAfee), PE_VIRUX.A (Trend micro)

Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Vista, Windows XP

When the virus executes, it attempts to infect any file accessed with the following extensions:
· .exe
· .scr

Here are two of removal tool
1.Symantec virut removal
2.AVG virut removal

Symantec virut removal

• ·This removal tool must be run in Safe Mode.
• if you are on a network or have a full-time connection to the Internet, such as a DSL or cable modem, disconnect the computer from the network and Internet. Disable or password-protect file sharing, or set the shared files to Read Only, before reconnecting the computers to the network or to the Internet. Because this worm spreads by using shared folders on networked computers, to ensure that the worm does not reinfect the computer after it has been removed, Symantec suggests sharing with Read Only access or by using password protection.
• If you are removing an infection from a network, first make sure that all the shares are disabled or set to Read Only.

Download and run the tool
You must have administrative rights to run this tool on Windows NT 4.0, Windows 2000, or Windows XP.

Note for network administrators: If you are running MS Exchange 2000 Server, we recommend that you exclude the M drive from the scan by running the tool from a command line, with the Exclude switch. For more information, read the Microsoft knowledge base article: XADM: Do Not Back Up or Scan Exchange 2000 Drive M (Article 298924).

Follow these steps to download and run the tool:

1. Download the FixVirut.com file from here

2. Save the file to a convenient location.

3. Close all the running programs.

4. If you are on a network or if you have a full-time connection to the Internet, disconnect the computer from the network and the Internet.

5. If you are running Windows Me or XP, turn off System Restore.

6. Locate the file that you just downloaded.

7. Double-click the FixVirut.com file to start the removal tool.

8. Click Start to begin the process, and then allow the tool to run.

NOTE: If you have any problems when you run the tool, or it does nor appear to remove the threat, restart the computer in Safe mode and run the tool again.

9. Restart the computer.

10. Run the removal tool again to ensure that the system is clean.

11. If you are running Windows Me/XP, then reenable System Restore.

12. If you are on a network or if you have a full-time connection to the Internet, reconnect the computer to the network or to the Internet connection.

13. Update your antivirus

When the tool has finished running, you will see a message indicating whether the threat has infected the computer. The tool displays results similar to the following:
· Total number of the scanned files
· Number of deleted files
· Number of repaired files
· Number of terminated viral processes
· Number of fixed registry entries

The Removal Tool does the following:
· Terminates the associated processes
· Deletes the associated files
· Repairs infected files
· Deletes the registry values added by the threat

Post Removal Steps
Due to a bug in the threat, it may not be possible to repair all infected files. Any files that cannot be repaired will be indicated in the log file with status “(unrepairable) (renamed)”. The affected files will be renamed by appending “.unrep” to the end of the original file name to prevent accidental execution of the threat. To complete the removal process, you should restore these files from a trusted source.

AVG virut removal
if the infected computer is connected to LAN, disconnect it and re-connect only after all other computers have been checked and cleaned.
· Download file rmvirut.exe
· Then run the tool for removal of infected files. The tool will automatically scan all available discs and will try to heal the infected files. If an active virus is found in memory, the tool will ask the user to reboot the computer. Healing will be performed during operating system boot-up sequence, so any active virus cannot interfere with the healing process.