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Trojan:Java/Classloader.AA description and removal instruction


Free Trojan:Java/Classloader.AA Scan

Technical information
Removal instructions

Technical information

The Trojan:Java/Classloader.AA will install rogue security software System Optimization Wizard into the affected machines without users knowledge. The Trojan:Java/Classloader.AA file size is 14168 bytes.


Once launched, the Trojan:Java/Classloader.AA performs the following actions:

  • Download rogue security tool System Optimization Wizard from the following domains:
  • Modify the properties of the following files:

    (14168 bytes; detected by HitMalware as " Trojan:Java/Classloader.AA")
  • Removal instructions

    If your machine doesn't have antivirus/antispyware, please take the following steps to resolve the problems caused by Trojan:Java/Classloader.AA:

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

    2. Perform a full Trojan:Java/Classloader.AA scan by using the latest antivirus/antispyware HitMalware.
    (Download Trial Version Now)

    MD5: 92947789294778

    How to replace aspnet_isapi.dll by using DLL Suite

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