Removing Mal Otorun1 – How to Remove Mal Otorun1

Mal Otorun1 Explained

Mal Otorun1 is a malicious Trojan that was recently discussed in our article about how “USB Flash Drives are a perfect place for computer viruses to hide”. The unique behavior of the Mal Otorun1 is that it infects data storage devices and then replicates a virus onto any connected flash drives including USB thumb drives. As you can imagine, this parasite can easily be spread if the infected USB drive is used on another computer.

Removing Mal Otorun1

Removal of Mal Otorun1 or Mal_Otorun1 is essential to prevent the spread of this malicious infection onto other systems or risking damage to stored data. Trend Micro has reported that Mal Otorun1 has increased the amount of infections for flash drives so you must take this Trojan infection seriously and remove it as soon as possible.

If you have noticed or identified Mal Otorun1 or MalOtorun1 on your system or on your USB flash driven then you should perform a manual remove of Mal Otorun1 or utilize an antivirus or antispyware tool to automatically detect and remove Mal Otorun1.

We recommend utilizing a reputable anti-virus or anti-spyware program that can scan, identify and remove the Mal Otorun1 Trojan. Below is the manual removal process for Mal Otorun1. The manual removal instructions are for informational purposes only. Use at your own risk.

Manual Removal of Mal Otorun1

Before attempting to manually remove Mal Otorun1 or Mal_Otorun1 it is essential to be aware that this infection may have come from a USB drive. Removing any form of the AUTORUN.INF file from an attached USB drive or flash drive may remove Mal Otorun1 completely from your infected USB drive.

1. Find and delete the AUTORUN.INF file on the root directory of your connected USB drive or flash drive.
2. You may need to perform a search for AUTORUN.INF on the connected drive that may be infected utilizing the search companion function.
3. Reboot your computer into safe mode. You can do this by going to Start menu > Turn Off Computer > Restart.
4. When your computer starts to boot press the F8 key repeatedly (once every second) until you see a menu asking if you would like to use Safe Mode or Safe Mode with networking. Select Safe Mode.
5. Find the AUTORUN.INF file present in your C: drive directory.
   Please note: The AUTORUN.INF file may be present in your Program Files folder for a commonly used application. DO NOT delete AUTORUN.INF that is found in a program's folder that is commonly used. If you find AUTORUN.INF on your C: root directory then you may delete it.
6. Delete the following directories if found:
   C:\Program Files\Mal Otorun1
   C:\Mal Otorun1
7. Restart your computer normally.
8. This should remove the Mal Otorun1 infection which attaches itself to the AUTORUN.INF file.

If you are unsure of manually removing Mal Otorun1 then automatic removal of Mal Otorun1 may be performed utilizing a recent version of antivirus or antispyware software. It is suggested that you always run a copy of trust-worthy antispyware or antivirus software at all times to detect and remove infections such as Mal Otorun1.