Tech guides

Whether you need removal instructions for a specific virus or just a quick tech tip - here is where you'll find advice from our team of technicians. These guides will reflect the latest security threats and hottest topics on our Antivirus Forum.



How to remove Trojan.Downloader.Istbar.D






1. Restart the system in Safe Mode.

2. Open Windows Explorer, locate the infected file and delete it.

3. Delete the C:\Program Files\RapidBlaster folder.

4. Go to Start, Run type regedit and press OK.

5. Locate and delete the following key:

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run, rb32 lpt001


1. Increased network traffic.

2. Presence of a folder called RapidBlaster in the C:\Program Files folder.


1. When run, it will create a copy in the C:\Program Files\RapidBlaster folder. The file will be called rb32.exe.

2. It will create the following registry key:

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run, rb32 lpt001

3. It will try to initiate a connection and download files from:

The BullGuard Team

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