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Backdoor:Win32/Delf.OP description and removal instruction


Free Backdoor:Win32/Delf.OP Scan

Technical information
Removal instructions

Technical information

The Backdoor:Win32/Delf.OP will install rogue security software Brand Bloodhound into the affected machines without users knowledge. The Backdoor:Win32/Delf.OP file size is 428032 bytes.


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

  • Download rogue security tool Brand Bloodhound from the following domains:
  • Modify the properties of the following files:

    (428032 bytes; detected by HitMalware as " Backdoor:Win32/Delf.OP")
  • Removal instructions

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

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

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

    MD5: 52164535216453

    How to replace SearchIndexer.exe by using DLL Suite

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