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Wednesday, February 6, 2013

Remove Trojan IRC/BackDoor.SdBot4.ACUL Completely (Virus Removal Tips)

Trojan IRC/BackDoor.SdBot4.ACUL is a strong rookit Trojan which has damaged many computers widely. Many computer users may notice the infection of Trojan IRC/BackDoor.SdBot4.ACUL after having a scan with their favorite antivirus programs (such as Malwarebytes, AVG, Norton or Spybot). Generally, the virus is possible to be detected by those antivirus programs. Take Malwarebytes as an example, the virus may be found in Anti-Malware\unins000.exe, but when users want to remove the virus, it may even show that virus vault is full. Some versions of AVG with no luck as well, they will force removal and display that it will cause system unstability or even crash.

Such stubborn Trojan IRC/BackDoor.SdBot4.ACUL is, it may compromise affected machine to a third party so that to allow remote hackers to access your computer and steal your personal data. Also, the virus would even download and execute additional Trojans, wroms or malware on your poor computer to make further damage. It is urgent to remove Trojan IRC/BackDoor.SdBot4.ACUL timely and completely.

Trojan IRC/BackDoor.SdBot4.ACUL is dangerous on your computer

1. Trojan IRC/BackDoor.SdBot4.ACUL can compromise your system and may introduce additional infections like rogue software.
2. Trojan IRC/BackDoor.SdBot4.ACUL forces you to visit websites and advertisements which are not trusted and may lead you to pay money wrongly for worthless products.
3. Trojan IRC/BackDoor.SdBot4.ACUL takes up high resources and strikingly slow down your computer speed and even causes your computer stuck frequently.
4. Trojan IRC/BackDoor.SdBot4.ACUL may allow cyber criminals to track your computer and steal your personal information.
5. Trojan IRC/BackDoor.SdBot4.ACUL can cause serious damage by deleting important files and destroying information on your system.

Guide to remove Trojan IRC/BackDoor.SdBot4.ACUL step by step (Manual removal)

1. Launch the Task Manager by pressing keys “CTRL + Shift + ESC”, search for XY processes and right-click to end them.

2. Get rid of the following files created by Trojan IRC/BackDoor.SdBot4.ACUL:

Documents and Settings%\All Users\Application Data\[random]
Documents and Settings%\[UserName]\Local Settings\Application Data\[random].exe
Documents and Settings%\[UserName]\Local Settings\Application Data\[random]
Documents and Settings%\[UserName]\Local Settings\Temp\[random]
Documents and Settings%\[UserName]\Templates\[random]

3. Open Registry Editor (in Windows XP, go to Start Menu, run, type in “Regedit” and press OK; in Windows 7 & Windows Vista, go to Start menu, Search, type in “Regedit”), find out the following XY registry entries and delete:

HKEY_USERS\.DEFAULT\Software\Microsoft\Internet Explorer\BrowserEmulation “TLDUpdates” = ’1′
HKEY_CURRENT_USER\Software\Classes\.exe\shell\open\command “(Default)” = ‘”%Documents and Settings%\[UserName]\Local Settings\Application Data\[random].exe” -a “%1″ %*’
HKEY_CURRENT_USER\Software\Classes\exefile\shell\open\command “(Default)” = ‘”%Documents and Settings%\[UserName]\Local Settings\Application Data\[random].exe” -a “%1″ %*’
HKEY_CLASSES_ROOT\.exe\shell\open\command “(Default)” = ‘”%Documents and Settings%\[UserName]\Local Settings\Application Data\[random].exe” -a “%1″ %*’
HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE\shell\open\command “(Default)” = ‘”%Documents and Settings%\[UserName]\Local Settings\Application Data\[random].exe” -a “%Program Files%\Mozilla Firefox\firefox.exe”‘
HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE\shell\safemode\command “(Default)” = ‘”%Documents and Settings%\[UserName]\Local Settings\Application Data\[random].exe” -a “%Program Files%\Mozilla Firefox\firefox.exe” -safe-mode’
HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\IEXPLORE.EXE\shell\open\command “(Default)” = ‘”%Documents and Settings%\[UserName]\Local Settings\Application Data\[random].exe” -a “%Program Files%\Internet Explorer\iexplore.exe”‘
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Security Center “AntiVirusOverride” = ’1′
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Security Center “FirewallOverride” = ’1′

Automatic Removal Tool (Recommended)

SpyHunter is a powerful, real-time anti-spyware application that designed to assist the average computer user in protecting their PC from malicious threats like worms, Trojans, rootkits, rogues, dialers, spyware, etc. It is important to notice that SpyHunter removal tool works well and should run alongside existing security programs without any conflicts.

Step 1. Click the Download icon below to install SpyHunter on your PC.

Step 2. After the installation, run SpyHunter and click “Malware Scan” button to have a full or quick scan on your computer.

Step 3. Choose Select all>Remove to get rid of all the detected threats on your PC.

The instruction above is for advanced computer users, since Trojan IRC/BackDoor.SdBot4.ACUL is very tricky, it’s hard to handle it without relative expert skills. You want to remove it ASAP? Click here to download the most popular antivirus program SpyHunter to help you.

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