Hey, man! My Dell computer was attacked by a malicious Trojan virus– Trojan:Win32/Colisi.F! AVG kept sending me report about this virus as well as other threats brought in by it. My USB was infected by this virus while I plugged it in the infected computer. This virus was spread in a fast speed. It is said that this malicious Trojan virus cannot be removed by AVG as well as other antivirus tools. I did try to remove this virus by myself from registry, but I could not make it done. What should I do? Can anyone help me remove this virus completely and permanently?
Trojan:Win32/Colisi.F has been identified as a risky Trojan virus which is created by malicious cyber criminals, with the capacity of infecting all Windows computer around the world, such as Windows 7, Windows 8, Windows 10, Windows Vista or Windows XP and so on. This vicious Trojan has the ability to get into your computer quietly and secretly with the help of the third party program. This malicious Trojan comes through spam emails as well as its attachments, bundled downloads (freeware, videos, PDF files) , p2p sharing networks (suspicious websites, pop-ups, links as well as ads). Once this virus gets into your computer, it has the ability to do lots of harmful activities on your computer. It may mess up your whole computer if you don’t remove it in time.
Once your computer is infected by Trojan:Win32/Colisi.F, you may find that you may not do anything normally on your computer as this virus takes control the compromised computer. This Trojan may be hidden deeply on your system and change your important folders as well as system settings. Besides, this virus may hack your browsers and then modify your browser settings as well as alter your homepage to its related products selling web. In addition, it will trace your online activities and collect your important data such as bank details, credit card information etc. It will transfer your data to remote hackers who may misuse your information to do illegal things. What’s more, it may open a back door for remote hackers to get into your computer and then do lots of pesky things to mess up your system. This virus will run many unwanted actions at the background which take much system resource and occupy more Internet space. So, your computer will run slower or even get stuck frequently or crash down while you are online or working. Trojan:Win32/Colisi.F must be removed as soon as you detect it on your computer. Manual removal is the best effective way to get rid of this virus.
1. Desktop background image and Browser homepage settings are changed. Google, Yahoo Searches are redirected.
2. It may slow down your computer considerably and you will feel like your computer is stuck. This includes opening programs, shutting down your computer, and slow Internet.
3. It is capable to corrupt your windows registry and uses it to deploy annoying pop up ads out of nowhere. You will get many unwanted pop-ups on your computer.
Note: No matter how the virus accesses your PC, users should know that there are no tools can remove this pesky Trojan automatically at this moment, it is suggested users not spend much time in downloading or paying any security software which claims can delete this stubborn virus. It is totally useless. To completely get rid of Trojan:Win32/Colisi.F, professional manual guide is needed.
Currently many computer users had the same experience that this virus couldn’t be removed by any anti-virus applications. So the manual approach is always required to combat this virus. And here is the step-by-step removal guide for all computer users.
1. End the malicious process from Task Manager.
Trojan:Win32/Colisi.F is installed,computer user may notice that CPU usage randomly jumps to 100 percent. At any time Windows always has many running processes. A process is an individual task that the computer runs. In general, the more processes, the more work the computer has to do and the slower it will run. If your system’s CPU spike is constant and remain at a constant 90-95%, users should check from Task Manager and see if there is a suspicious process occupying system resources and then end it immediately.
(The name of the virus process can be random.)
Press Ctrl+Shift+Esc to quickly bring up Task Manager Window：
2. 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.
3. 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 Windows key + R to open Run box. In the “Open” field, type “regedit” and click the “OK” button.
Then a Registry Editor window will pop up as the following picture shows:
b. Search malicious files and registry entries and then remove all of them:
%AllUsersProfile%\[random]
%AppData%\Roaming\Microsoft\Windows\Templates\[random]
%AllUsersProfile%\Application Data\.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\[random]
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Temp
Trojan:Win32/Colisi.F virus is definitely destructive computer infection which may perform harmful thing on your compromised computer once it is installed on your computer. This virus used to be hidden into some freeware, unsafe websites, links or pop-ups. If you click or download on these malicious things by mistake, you may open a door for virus getting into your computer. Once installed, this virus may install some unfamiliar programs on your computer and you can’t remove them away. Many pop-ups and ads may be showing on your screen automatically. Sometimes, this virus may disconnect your Internet connection. Furthermore, it may alter your important system files, decrease your system function and slow down the computer performance. Hence, it is highly suggested to get rid of this virus as early as you can.
Note: Still have trouble in removing this virus? If you don’t want to mess up your whole PC, Please contact YooCare Experts for instant help now.
Published by & last updated on September 4, 2015 12:10 pm
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