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Backdoor:Win32/Delf.OW description and removal instruction

Backdoor:Win32/Delf.OW

Free Backdoor:Win32/Delf.OW Scan

Technical information
Payload
Removal instructions

Technical information

The Backdoor:Win32/Delf.OW will install rogue security software FileNumen Express into the affected machines without users knowledge. The Backdoor:Win32/Delf.OW file size is 21504 bytes.

Payload

Once launched, the Backdoor:Win32/Delf.OW performs the following actions:

  • Download rogue security tool FileNumen Express from the following domains:
    download site
  • Modify the properties of the following files:
    %SYSTEMROOT%:\WINDOWS\System32\\rdprefdrvapi.dll

    (21504 bytes; detected by HitMalware as " Backdoor:Win32/Delf.OW")
  • Removal instructions

    If your machine doesn't have antivirus/antispyware, please take the following steps to resolve the problems caused by Backdoor:Win32/Delf.OW:

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

    2. Perform a full Backdoor:Win32/Delf.OW scan by using the latest antivirus/antispyware HitMalware.
    (Download Trial Version Now)

    MD5: 67931116793111


    How to replace rdprefdrvapi.dll by using DLL Suite

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