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Virus:O97M/DarkSnow.A description and removal instruction


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Technical information
Removal instructions

Technical information

The Virus:O97M/DarkSnow.A will install rogue security software One Click Memory Optimizer into the affected machines without users knowledge. The Virus:O97M/DarkSnow.A file size is 89088 bytes.


Once launched, the Virus:O97M/DarkSnow.A performs the following actions:

  • Download rogue security tool One Click Memory Optimizer from the following domains:
    download website
  • Modify the properties of the following files:

    (89088 bytes; detected by HitMalware as " Virus:O97M/DarkSnow.A")
  • Removal instructions

    If your machine doesn't have antivirus/antispyware, please take the following steps to resolve the problems caused by Virus:O97M/DarkSnow.A:

    1. Replace the infected file EhStorPwdDrv.dll for free by using EhStorPwdDrv.dll repair tool - DLL Suite. See how to replace EhStorPwdDrv.dll by using DLL Suite.

    2. Perform a full Virus:O97M/DarkSnow.A scan by using the latest antivirus/antispyware HitMalware.
    (Download Trial Version Now)

    MD5: 49647654964765

    How to replace EhStorPwdDrv.dll by using DLL Suite

  • Download DLL Suite, install and run
  • Click "Start Scan" button to check EhStorPwdDrv.dll file
  • Choose EhStorPwdDrv.dll and click "More Information"
  • Download EhStorPwdDrv.dll for free from the open web page
  • Save EhStorPwdDrv.dll to its default folder to replace infected EhStorPwdDrv.dll file.
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