Troj.Polyglot - Removal

Risk Level 1: Very Low

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Discovered: September 15, 1999
Updated: February 13, 2007 11:58:02 AM
Also Known As: Count2K, Y2KCOUNT, Troj_Polyglot
Type: Trojan Horse, Virus


To remove this Trojan horse from your computer:
  1. Click Start, and click Run.
  2. Type sysedit and click OK.
  3. Click the System.ini window.
  4. Click Search, and click Find.
  5. Type ntsvsrv.dll and then click Next. It should be at the end of the drivers= line.
  6. Remove the Ntsvsrv.dll entry.
  7. Restart Windows into MS-DOS mode. Restarting to MS-DOS mode ensures that Wsock32.dll is not loaded (Wsock32.dll is used for Internet connections).
  8. Type cd \windows\system to change to the \Windows\System folder.
  9. Type dir wsock32.dll to check the size of Wsock32.dll.
    • If the size is 14848 bytes, the Trojan horse program has replaced it with Proclib16.dll. To restore the original Wsock32.dll, type
      copy nlhvld.dll Wsock32.dll

      and then press Enter.
  10. Delete the following files from the \Windows\System folder:
    • Proclib.exe
    • Proclib.dll
    • Proclib16.dll
    • Ntsvsrv.dllL
    • Nlhvld.dll


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