Trojan:Win32/Claretore is a pesky trojan horse detected by Microsoft Security Essentials that can compromise your computer by exploiting system security leaks. It can disable firewall to gain access to a predetermined computer stealthily. Once inside a system, it can drop down other threats through network exploits which causes your PC in great danger.
While it is running, Microsoft Security Essentials keeps reporting this threat every once in a while and says that no action is needed because it quarantined it. However, it will keep coming back after every reboot or rescan. This Trojan may inject itself into running processes to intercept browser traffic and redirect the browser to an attacker-defined URL. It can be attached to email attachments, programs you have downloaded, or even from your computer’s operating system vulnerabilities. When it is installed, you may experience browser redirection, blue screen of death, constant popups, even system crash down. It includes backdoor capabilities which can open network ports to download and install additional malware threats onto the infected computer. Furthermore, this dangerous virus has the capability to record and send computer users’ confidential information, for instance, credit card, login numbers, etc to a remote hacker. It is highly recommended to remove Trojan:Win32/Claretore quickly to secure your computer.
It can open backdoor to download other threats or come bundled with other spyware.
It slows down your system significantly which includes starting up, shutting down, playing games, and surfing the web.
It can capture and send all personal information, such as credit card details, login number/password to a remote hacker for illicit purposes.
It can infect and corrupt your registry, leaving your computer totally unsafe.
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%\[random]
%AppData%\Roaming\Microsoft\Windows\Templates\[random]
%AppData%\Local\[random].exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\CurrentVersion
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\CurrentVersion\Explorern
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\WindowsFirewall
As mentioned above, all the users must understand how dangerous Trojan:Win32/Claretore virus is. Besides those visible bad behaviors, it still involves more potential threats that may ruin your system. It can compromise your system and may introduce additional infections like rogue software. It also slows down your computer and causes occasional PC freezes. And the most serious issue is this threat can to connect with remote IRC server and even give a remote hacker access to the infected computer leaving stored files exposed. Trojan:Win32/Claretore may disable the proper running of many different programs, especially for the anti-virus programs. If the infection is not removed timely, it can cause a complete collapse of your system. In a word, in order to secure the stability and normal operation of an infected PC, you should immediately remove this pesky Trojan without a doubt.
Published by & last updated on June 6, 2013 4:37 am
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