Does Microsoft Security Essentials keep detecting Trojan:JS/Quidvetis.A virus on your computer? Why it keeps coming back after removal? Follow this article to know more about this stubborn Trojan and find a way to get rid of it permanently.
Trojan:JS/Quidvetis.A is a vicious Trojan detected by MSE that invades the corrupted PC system surreptitiously via social networks, doubtful websites, freeware, shareware, spam messages and others. Once it is executed, Microsoft security essentials can keep alerting the presence of this Trojan but it seems to be hard to remove it completely as it always comes back again and again after every reboot. This reason it does such malicious action is that this threat can be able to add certain registry entries that allow the harmful code to run each time you start Windows. Thus, your antivirus program will keep reporting this virus but never let you remove it completely.
Leaving a Trojan virus inside the computer is not a wise choice, especially for this data-stealing Trojan. When it is installed on your computer, it runs automatically in the background and secretly collects your user names, passwords and other sensitive details and then forwards them to remote attackers. Now computers running with Windows 7, Windows 8, Windows Vista and Windows XP are the major targets of this nasty Trojan. Victim who get this virus installed always complains that system goes slow and it takes a long time at startup and wait for the desktop is up. Besides, the virus can further damage your computer by bringing other malware, viruses without your permission. It may monitor web-browsing activity of the user and redirect users to all kinds of ad sites against their wills. Therefore, if you don’t want your personal information revealed to cyber criminals, you should keep away from Trojan:JS/Quidvetis.A virus and take immediate instructions to remove it completely.
a. There will be lots of annoying pop-up ads and fake security alerts;
b. It will block your access to the Internet and redirect everything you do on your browser to malicious web pages;
c. It will reduce your PC performance and create many junk files to wreak chaos;
d. Antivirus programs on the computer will automatically be shut down;
e. It may come with additional viruses and malware to further damage your computer;
f. Your private and critical information may be captured a remote host who will use them for Internet crimes;
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. 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:
%AllUsersProfile%Application Data.dll
%AllUsersProfile%Application Data.exe(random)
HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionRun “[RANDOM]”
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionRun “[RANDOM].exe”
HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionRun “Inspector”
Trojan:JS/Quidvetis.A is a vicious Trojan detected by MSE antivirus program. It mainly proliferates through compromised websites, also can be downloaded together with freeware software products. The virus can bring more troubles to the computer users which include: helping remote hosts collect your valuable information, opening backdoor and bringing more viruses and malware to damage your computer. A Trojan may slow down your system performance and disconnected the Internet frequently, and it may keep damaging your computer to trigger computer crash and freezing issues. It can conceal its presence of the compromised computer by showing only legitimate process running on the system. Therefore, manual removal is needed to get rid of Trojan:JS/Quidvetis.A completely.
If you cannot handle the manual removal yourself, please contact experts from Yoocare Online Tech Support for further help. 
Published by on October 3, 2013 8:08 am, last updated on October 7, 2013 11:28 am
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