Hey, my laptop is affected with TrojanDownloader:Win32/Small.gen! as AVG reports. During restarting computer, it catches and removes saying I am protected. But in next restart the same thing again happens. Doesn’t the AVG have any ability to remove this virus or is the Trojan so stubborn that my antivirus cannot work well? Now many files on my compute are infected. And it is hard and slow to surf on the Internet; even some applications are running abnormally. I know those problems happen due to this Trojan horse, but how can I remove it permanently?

TrojanDownloader:Win32/Small.gen! Virus Description:

TrojanDownloader:Win32/Small.gen! is sorted to be vicious Trojan horse. Once you receive reports about virus infected on computer from your antivirus, which means your computer has been compromised with it, because this virus can bypass antivirus’ detection and get on the targeted machine without your notice and permission.  Antivirus cannot detect and block it to enter your computer. Since your computer gets this virus, many problems and damages will happen.  TrojanDownloader:Win32/Small.gen! virus enters the operating system, insets its malicious code into registry editor, start up items and other important windows system field, so you will find that some registry values are modified and start-up items are also changed. When your start up your computer, it will automatically run with computer launching, and even worse, sometimes when you still work on the computer, the machine will weirdly shut down and boot up again. That is because the files of this Trojan affect your computer deeply so that it runs improperly. When it roots deeply into system, it will gradually corrupt crucial system files, programs and destroy system firewall. It regenerates itself and implant its codes into another place of system, meanwhile it changes it pathways and location fast to escape security tool’s scanning. And your antivirus may be disabled by this virus and your computer security will be in a worse situation.

TrojanDownloader:Win32/Small.gen! virus may damage troubleshooting mode like safe mode with networking, and when you try to enter those troubleshooting modes, your computer may shut down or freeze. It also can block you to enter the Internet by changing the Internet settings, default DNS, and even block you to download any programs into computer. When you try to download, you will be blocked by a message saying ‘You current security setting does not allow this file downloaded’. This virus plants one or several small and malicious rootkits or files into your operating system, and those rootkits can give your system false commands or instructions. If the operating system receives those wrong commands and follows its instructions to run, some programs on your computer will run in disorder or even can’t operate anymore, because those wrong command and instructions will disable or lock some normal programs to run. That’s why the computer gets stuck and cannot run programs properly. Even worse, this Trojan can help hackers to access your computer and steal sensitive data like banking details, email account details and so on. In word, removing this Trojan as soon as possible is to avoid more and further damages on computer.

Some Traits about TrojanDownloader:Win32/Small.gen! Virus

-Can slow down the performance of the computer, or even blue screen.

-Can create many junk files which occupy a lot of space in hard drive.

-Can download other malicious programs into computer, which make further damage.

-Can redirect you to pages you don’t want all the time no matter what you are doing.

-Take a long time to turn on or shut down your computer

-Your sensitive information can be stolen by hacker who can access to your computer with the help of this Trojan.

-May pretend as an anti-virus program and cheat you that computer is in dangerous, and ask you to pay to remove the threats.

Warm prompt: It’s complicated for people who are not computer savvy or not familiar with the virus to remove the Trojan. You can contact YooCare/YooSecurity PC professional online service for help:

Removal Guide for PCs with Windows OS

There is a removal guide of Trojan provided here; however, expertise is required during the process of removal, please make sure you are capable to do it by yourself.

>>>>>> Press Ctrl+Shift+Esc keys simultaneously to get the Task Manager to stop the active processes of TrojanDownloader:Win32/Small.gen! virus. To do this, you will need to click the “Processes” tag at the top then find out suspicious processes and right click on them and select “End Process”.



>>>>>> Click “Start” menu at the lower left corner and type “regedit” in the search programs and files box and press Enter key. Then you will open the “Registry Editor”.



>>>>>> You will need to find out the suspicious registry files in the Registry Editor, They are usually located in: HKEY_LOCAL_MACHINE > SOFTWARE. You need to distinguish them from their “Name” and “Data” at the right column. All of them will be randomly distributed. If you are not good at this, ask for an expert for help.

registry editor

>>>>>> After you find out the suspicious registry files, you need to find out where the .exe files of the virus locate. Usually, they will be in the operating system drive. To open it, you will need to click Start menu > Computer & My computer. Generally speaking, the Operating System drive is Local Disk (C:).


>>>>>> Basically speaking, all the related files of TrojanDownloader:Win32/Small.gen! virus will be located in Windows > System32. Find out all the files of the Trojan virus and delete them. Make sure that all the files you deleted are viruses, but not the files of the operating system. Any mistakes will cause data loss even system crash.


Video of Key Steps on How to Modify or Change Windows Registry:


TrojanDownloader:Win32/Small.gen! virus can severely attack your computer once it gets on your PC. It corrupts your system files, weakens the security level of the infected computer and modifies all your key registry settings as well as disables your firewall because of its root-kit. The CPU usage percentage will become higher than before, which will cause constant blue or black screen death and system freeze. this Trojan virus helps cyber criminals remotely control the infected PC. So hackers can do anything on your PC and get any information from your computer or by tracking your online history. And users’ personal information like credit card, bank account details, log-in passwords or other financial information could be leaked out. Victims of this virus will suffer from financial loss. This Trojan must be removed as fast as possible to avoid further damages if you detect this nasty thing on your computer.

Warm prompt: If you are not computer savvy or not familiar with the virus to remove TrojanDownloader:Win32/Small.gen! virus. You can contact YooCare/YooSecurity PC professional online service for help:

Published by Tony Shepherd & last updated on May 27, 2015 5:14 am

Leave a Reply