Eddy advice is perhaps the most secure solution. Fresh system install and hardware testing is always a good solution.
On the other hand, I can provide you a detailed analysis of the system and cleaning of active malware which can possibly solve other problems that you have with your computer.
Let’s first remove malware and clean this software from junk …
Step#1
- Please download ComboFix by sUBs from here and save it to your Desktop.
If you are unsure how ComboFix works please read this guide carefully.
Note: ComboFix must be downloaded to your Desktop.
- Temporarily disable your AntiVirus program, usually via a right click on the System Tray icon. They may interfere with Combofix.
If you are unsure how to do this please read this or this Instruction.
Instructions how to disable avast:
[*]Right click on the avast! system tray icon (
http://www.mcshield.net/pg/images/avast5.png
) in the lower right corner of the screen and scroll up to avast! shield controls;
[*]In the menu that appears, choose Disable Permanently. When you are prompted to turn off security, click Yes.
Note: Do not forget to turn back on this option after the cleaning by choosing avast! shield controls > Enable all shield options.
- Run ComboFix. Click on I Agree!
[i][size=7pt]- ComboFix will display DISCLAIMER of warranty on software.
By clicking I Agree ComboFix shall continue.
- ComboFix will check if there is a newer version of ComboFix available.
Click Yes if prompted to download.[/size]
-If Recovery Console is not installed, ComboFix will offer download & installation.
Click Yes to allow ComboFix to install Recovery Console.
- ComboFix will scan your computer in stages, total of 50 stages.
Do not mouse-click around while ComboFix is running.
Note:If you see a message like “Illegal operation attempted on a registry key that has been marked for deletion” just restart your computer.
[/i]
- When the tool is finished, it will produce a log report for you. (typical location: C:[b]ComboFix.txt[/b] )
Attach log reports ( ComboFix.txt) back to topic.
Step#2
Download TDSSKiller and save it to your desktop
Execute TDSSKiller.exe by doubleclicking on it.
Confirm “End user Licence Agreement” and “KSN Statement” dialog box by clicking on Accept button.
[*] Press Start Scan
[*] If Suspicious object is detected, the default action will be Skip, click on Continue.
[*] If Malicious objects are found, select Cure.
Once complete, a log will be produced at the root drive which is typically C:\ ,for example, C:\TDSSKiller.<version_date_time>log.txt
Please post the contents of that log in your next reply.
Step#3
Post me fresh OTL log.
How to test HDD sectors:
This can be done later, has nothing to do with Malware Cleaning progress…
Download MHDD utility from here:
MHDD download link
Unpack and burn to disk as ISO (bootable) …
Boot MHDD from disk ( in the same way as Live CD )
[*] When you load the file select option 1
[*] When the menu appears, select the disk that you’ll scan
Type in:
scan
…and hit enter
[*]In the next menu, click F4
[*]It will begin HDD scanning, allow him to finish scan.
If there is more than 3 inputs in the district UNC X then your hard disk is damaged.