Win32/small.CA Virus Removal Guide

Can’t remove Win32/small.CA virus from your computer? Does your computer always give you an Action Center alert that claims your computer is infected with Win32/Small.CA? Still have no idea to remove this stubborn Trojan since none of the antivirus programs can catch this virus? Follow the manual guide here to find an effective way to get rid of this Trojan now.

Win32/small.CA Virus Description:

Win32/small.CA virus did really bother you? It is a seditious Trojan that infiltrates your computer without your permission or knowledge with the use of security exploits. When your computer is infected, you will keep getting an alert from the windows flag at the bottom right corner asking you to remove Win32.Small.CA. This Trojan may be delivered through spam email attachments by cyber criminals or other malware infections from remote websites. Once installed, it can modify your system setting, disable antivirus program and display numerous annoying advertisements. What’s more, it  is able to open a backdoor which allows attackers to obtain full remote access and control over the affected computer system. It runs high risk for the compromised computers since it keeps track of every single keystroke a computer user makes on a keyboard, storing the recorded data, such information as your banking information, somewhere in your PC system, making all your personal information exposed. Beyond doubt, you should have Win32/small.CA  deleted immediately.


Win32/small.CA is a Trojan which can be spread from the Internet. And nowadays, many computers have been suffered from this malicious Trojan all around the world. Once you have clicked on some unknown links or websites, this Trojan will infiltrate into your computer. Also this Trojan can hide itself in some ‘free’ softwares, with small size, the Trojan can adhere itself in other programs, after the installation, the Trojan also comes into you computer. The Trojan can automatically run after the windows boots up; due to the small size, it would not occupy too much RAM, it can copy itself from one file to another file. What’s worse, Win32/small.CA virus can update itself automatically if the computer gets access to the Internet; also, this Trojan could even change its path in computer, and that makes it is hard for anti-virus software to delete it completely.

Note: If you are not computer savvy, you had better to contact computer experts for instant help.

Besides those visible bad behaviors, Win32/small.CA still involves more potential threats that may ruin your system.

Dangerous Potential Threats by This Trojan:

1. It can compromise your system and may introduce additional infections like rogue software.
2. It forces you to visit websites and advertisements which are not trusted and may lead you to pay money wrongly for worthless products.
3. It takes up high resources and strikingly slow down your computer speed and even causes your computer stuck frequently.
4. It may allow cyber criminals to track your computer and steal your personal information.

About Trojan Removal:

Win32/small.CA is a tricky virus that is able to disable antivirus programs so that it cannot even be detected or removed  by antivirus programs, you need to manually remove it out of the computer. And in case that any mistake might occur and cause unpredictable damages, please spend some time on making a backup beforehand. Then follow these steps given as below:

1. Find out the following files relative to Win32/small.CA  and then delete them all.

%Windows%\system32\[random].exe
%Documents and Settings%\[UserName]\Application Data\[random]
%AllUsersProfile%\Application Data\.dll
%AllUsersProfile%\Application Data\.exe(Win32/Small.CA)

2. Search the following registry entries in your Registry Editor and then remove all of them.

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run “[random].exe”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\”Shell” = “[random].exe”

Be cautious when you do every step because any mis-operation may permanently damage your system. If you are not familiar with the registry entries, you can watch the video here to learn how to safely modify all the infected registry entries:

Video Shows You How to Safely Modify Windows Registry Editor:

The main purpose of this Trojan is to gain money or some personal information from the victim. In order to gain money, the Trojan can download some other malicious items to the computer, such as fake antivirus software which leads you to buy a code to activate the software to fix the threat in your computer, but actually there is no threat in your computer. Just like most of the Trojans, Win32/small.CA virus also can let your computer be controlled by remote hacker, and the hacker can reach anything that he wants to in your computer freely, and you don’t even notice that. How to get rid of it? Please do not rely on the anti-virus software, just like what have mentioned, it can escape from those software. Just remember be caution when you are surfing on the Internet, do not open or download something you don’t have a clear idea about. The best way to save your computer is consult with computer experts for tech support.

Special Tips: If you don’t have much computer background knowledge and are not able to remove Win32/small.CA virus by following the steps mentioned above, please contact PC Expert for a fast and full removal.

Published by on May 11, 2012 7:41 am, last updated on January 8, 2014 4:30 am

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