Win32:Small-BTX, (as known as Win32:Small-BTX [Trj]) is determined as a Trojan horse that could conduct malicious behavior without a PC user’s knowledge. Usually it can be detected if a user has installed Avast. Once installed, this virus will steal sensitive information such as user name and password via key logging capabilities as well as gather information like Operating System version, processor speed, system folder, upload folder without your permission.
The Trojan can get into the system if a users has even clicked malicious code or distribute unsafe advertising pop-ups, visited pornographic website or downloaded attachment from spam emails. Win32:Small-BTX conceals deeply in the infected system and it is capable of escaping the deletion of all kinds of antivirus. It will bring lots of troubles on your computer such as slow down your computer performance, redirect your browser to other malicious websites, even crash down your computer randomly. You may probably have a sea of unwanted pop up ads that are impossible to stop. To sum up, the longer it stays in your computer, the more damages you can get. Such dangerous virus steals your privacy and compromises your security and it should be removed as soon as possible once upon detection.
Win32:Small-BTX [Trj] can wreak chaos on your computer by performing the following actions:
1. It will steal confidential information such as user name and passwords without your permission.
2. It will download additional malicious files and update itself to prevent from the detection of antivirus program.
3. It can gather essential data like computer name, operating system version, network setup, and hardware/software details and send to remote hacker.
4. It will notably slow down your PC performance and make you experience blue screen of death, system crash down etc.
1. Show hidden files and folders.
Open Folder Options by clicking the Start button, clicking Control Panel, clicking Appearance and Personalization, and then clicking Folder Options.
Click the View tab.
Under Advanced settings, click Show hidden files and folders, uncheck Hide protected operating system files (Recommended) and then click OK.
2. Open Registry entries. Find out the malicious files and entries and then delete all.
Attention: Always be sure to back up your PC before making any changes.
a. Press the “Start” button and then choose the option “Run”. In the “Open” field, type “regedit” and click the “OK” button.
b. All malicious files and registry entries that should be deleted:
%System%\[NAME OF AN EXISTING DLL]32.exe (Win32:Small-BTX)
%System%\[NAME OF AN EXISTING DLL]32.dll
HKEY_CURRENT_USER\Software\Classes\exefile “(Default)” = ‘Application’
Nowadays, Trojan virus are created by the hacker every day and spread all over the Internet. There are many reasons for a user to get infected by Win32:Small-BTX virus. Although users still can detect its existence by running Avast scan, there is still no luck to get rid of this virus as it will keep coming back after every reboot. This Trojan is tricky and it will inject a code into legitimate Windows processes in order to conceal itself and evade antivirus program’s detection. Thus, manual removal is required to cope with this infection.
Published by Sarah Poehler on August 25, 2012 | How to Guides