How to Manually Get Rid of BOO/TDss.O Effectively? (Manual Removal Help)

Is you computer infected by a virus named BOO/TDss.O? Do you manage to stop the process instantly but failed? Do you feel worried after it hid your files from Start? This post would like to offer some effective tips to handle it.

Definition of BOO/TDss.O.

BOO/TDss.O is a stubborn Trojan which can hide files from All Programs as well as cleaned icons from Quick Launch. And it can hide all of your restore points so that you can’t go back to a previous date. Every time you try to restart antivirus program to catch it and remove it but end up with failure. It is because this virus can escape the scan of antivirus and tricky enough to hide itself in some files which you can be noticed.


Once it installed in your computer, it will do great harm to your computer system. Firstly, it would like to open a secret way called backdoor to bring many other malware to your computer without your approval and notification. The remote attacker also would like to take over control of your computer by this unknown way so that they can get your personal information including bank account or email account with effortless. Secondly, this nasty virus can shut down your system from time to time and sometimes you can get a blue screen after the reboot so that you can’t surf web smoothly. Thirdly, this nasty virus can hide itself in some free software and some links so that after you hit on them as usual, it has penetrated into your computer and hidden some files so that you can’t find them. Last but not least, your computer will run more and more slowly and a lot of errors and warnings will be received constantly. You may find that it becomes more annoyed after ran several kinds of antivirus but still failed to remove it off computer completely. But take it easy now since we have found an effective way-manual removal to get rid of it.

Manual removal is a risky job as any mistake will lead to system crash immediately. When you perform the following guide, back up your data first. If you’re not computer literacy or not sure how to deal with registry entries, please live chat with YooCare experts now.

Symptoms of being Infected by of BOO/TDss.O.

1. You may find that you can receive a lot of spam emails which you never received or sent before.
2. You may find that some files are gone without your notification.
3. You may find that your computer runs much slower than before.
4. You may find that your computer keeps being received commercial pop ups and some errors constantly.
5. You may find that your computer acts wired sometimes because it is manipulated by remote attackers.

How to Manually Remove BOO/TDss.O Step by Step?

If your computer has been suffered from this nasty virus, the inconvenience and harm can be told by yourself. And it should be removed immediately before it does more harm to your infected computer.

Step 1: Press CTRL+ALT+DEL or CTRL+SHIFT+ESC. Open the Windows Task Manager.

If that didn’t work, try another way. Press the Start button and click on the Run option. This will start the Run tool. Type in taskmgr and press OK. This should start the Windows Task Manager

Step2: Stop all processes in the Windows Task Manager.

Windows%\system32\DRIVERS\[random].sys
%Windows%\system32\[random].exe
%AppData%\[random].exe

Step 3: Manually get rid of registry entries created by This Nasty Virus.

HKEY_CLASSES_ROOT\CLSID\[random]
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\[random]

Similar video guide on how to reset Windows Registry entries:


If you failed to remove BOO/TDss.O with the instructions above or need any assistant, you are welcome to contact YooCare experts to resolve all the problems completely.

Published by on July 24, 2012 12:47 pm, last updated on July 28, 2012 1:48 pm

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