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How to remove virus Trj/Sirefef and Rootkit/ZAccess

Symptoms

  • Internet searches are redirected to websites which were not requested.
  • The antivirus protection detects Trj/Sirefef and/or Rootkit/ZAccess.

Solution

Use Panda Cloud Cleaner to disinfect the virus. Please follow the instructions below:

  1. Click the Download button and save the PandaCloudCleaner.exe file to your hard disk.

    Download

  2. Double-click the PandaCloudCleaner.exe file and follow the steps in the wizard through.
  3. Click Next on the welcome screen.
  4. Wait for the files to be copied.
  5. Once the process is finished, tick the Launch Panda Cloud Cleaner verification box and click Finish.
  6. Select the Accept and Scan button from the Panda Cloud Cleaner window.
  7. When the scan finishes, Panda Cloud Cleaner will display a summary of the malware found. Review the detection list carefully to avoid accidental removal of legitimate applications and click the Clean button.

    Panda Cloud Cleaner detections

For further information on the Panda Cloud Cleaner scan options, visit the internal help, available from the question mark symbol at the top of the screen.

Panda Cloud Cleaner internal help

A virus is preventing the computer from starting?

If a virus is preventing the computer from booting up, please use the USB or ISO versions of Panda Cloud Cleaner:

Help nº- 20131011 1672 EN
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