W32.Whiter.Trojan - Removal

Risk Level 1: Very Low

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Discovered: September 24, 2001
Updated: February 13, 2007 11:46:54 AM
Also Known As: Trojan.Win32.Whiter.a, W95/Phistler.A
Type: Trojan Horse


To remove this Trojan, delete any file that is detected as W32.Whiter.Trojan and remove the value that it added to the registry.

NOTE: If the payload has run, you must restore date from a recent backup and reinstall all damaged software, or contact a data recovery service. After doing so, you still must follow these removal instructions.

To remove the Trojan:
  1. Run LiveUpdate to make sure that you have the most recent virus definitions.
  2. Start Norton AntiVirus (NAV), and make sure that NAV is configured to scan all files. For instructions on how to do this, read the document How to configure Norton AntiVirus to scan all files.
  3. Run a full system scan.
  4. Delete all files that are detected as W32.Whiter.Trojan.

To edit the registry:

CAUTION: We strongly recommend that you back up the system registry before you make any changes. Incorrect changes to the registry could result in permanent data loss or corrupted files. Please make sure that you modify only the keys that are specified. Please see the document How to back up the Windows registry before you proceed.
  1. Click Start, and click Run. The Run dialog box appears.
  2. Type regedit and then click OK. The Registry Editor opens.
  3. Navigate to the following key:

    HKEY_LOCAL_MACHINE\Software\Microsoft\
    Windows\CurrentVersion\Run
  4. In the right pane, delete the following value:

    Whistler  %System%\whismng.exe -next
  5. Click Registry, and then click Exit.


Writeup By: Atli Gudmundsson
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