How to Remove Trojan Horse Downloader.Generic13.AQHU

Recently I feel that it takes a long time to load when I try to launch programs on my computer. Then I run a full system scan and find that Trojan Horse Downloader.Generic13.AQHU is on my computer. It must be the cause of the slow performance of my computer. However, I encounter a strange thing that, my antivirus program claims that this threat has been deleted but the next time I restart up my computer, the Trojan horse comes back again. It seems that my antivirus program is not able to clean up this nasty Trojan horse. How can I fully get rid of Trojan Horse Downloader.Generic13.AQHU from my machine?

Trojan Horse Downloader.Generic13.AQHU is a new type of Trojan horse that is capable of utilizing system vulnerabilities and network flaws to break into users’ computer systems and do some malicious things inside. This Trojan horse can attack computers with different Windows operating systems, such as Windows XP, Windows Vista, Windows 7 and Windows 8. Therefore, no matter what OS your computer installs, it can be the target of this Trojan horse. Usually, most PC users don’t know how and when this Trojan horse infects their computers. They often don’t realize existence of this Trojan horse until they notice some weird problems on their computers. Usually, this Trojan horse hides in some unsafe websites that have been hijacked by cyber criminals. When users visit those unsafe websites, they are likely to download this Trojan horse onto their machines. This Trojan horse also has the ability to sneak into users’ computers through spam emails and free software. If you don’t want to get into trouble, you should be cautious when receiving spam emails or downloading freeware or shareware from the Internet. Don’t open attachments of unexpected emails and download software only from trusted sources.

Once installed, Trojan Horse Downloader.Generic13.AQHU will drop some malicious files on the computer, modifies the registry entries and deletes some vital system files. By doing these, it can take control over users’ computer systems and make some important services or programs unusable. Then, various problems ensues, such as Blue Screen of Death, system crash and program corruption. The Trojan horse can also connect to a certain website and download more other types of malware like virus, worm and spyware to further compromise the infected computer. Moreover, this Trojan horse can create a backdoor for the remote hackers, through which the hackers might be able to control users’ infected computers and perform whatever activities they like inside. They may corrupt users’ important documents and collect users’ sensitive information or data for the malicious purposes. Consequently, users may end up losing their important data and even suffering from identify theft as well as money loss. Hence, it is highly recommended that users remove Trojan Horse Downloader.Generic13.AQHU promptly.

Removal Instructions:

Users find this Trojan horse hard to remove just because it is designed with rootkit technique which enables it to hide deep in the infected computer systems. In this case, users can try the manual removal way to eliminate this threat. Follow the step-by-step instruction below:

Step 1: Restart your infected computer. While it boots, you should press the function key F8 several times. When the Windows Advanced Options Menu appears, you should use the up and down arrow key to select the “Safe Mode with Networking” option and press Enter to proceed.

Step 2: Press Ctrl+ Alt+ Delete at the same time and this will open the Windows Task Manager. Then, select the “Processes” tab and search for any processes related to Trojan Horse Downloader.Generic13.AQHU. Right click on them and click on the “End Process” option.

Step 3: Click the Start Orb, in the search bar, type “folder options” and press Enter. When the Folder Options window pops up, please click the “View” tab. Then, under the “Advanced settings”, select the radio button labeled “Show hidden files, folders, and drives”, non-tick “Hide protecting operating system files (Recommended)” and click OK. This will show all hidden files and folders.


Step 4: Open My Computer and then go into C drive. Seek for and eliminate the files related to the Trojan horse as follows:

%AllUsersProfile%\Application Data\.exe
%AllUsersProfile%\Application Data\.dll
%Document and Settings%\[UserName]\Application Data\[random]

Step 5: Click Start menu, in the search box, type “Reg” and click “Registry Editor” from the result list. When Registry Editor is opened, you should search for the registry entries related to Trojan Horse Downloader.Generic13.AQHU and delete them all.

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “[random]”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run “[random]”.exe

Computer novice users may find it difficult to manually remove the malicious Trojan horse. So what should they do? Actually, using an automatic removal tool is also a good way to opt. A good removal tool can ensure a complete and safe removal of Trojan Horse Downloader.Generic13.AQHU, since it can detect and remove the malicious components of the Trojan horse using its advanced algorithms.