Today, My google chrome started redirecting me to advert sites and flagging up a sirefef.gen!C infection and it said “You have the Sirefef.Gen!C virus. Google Chrome can recognize this virus blah blah”. Also when I go to my mail, it stops me with a red page saying this is bad and you can’t go in. I have run my antivirus programs multiple times but it still can’t help to remove this Trojan . What can I do? Any help will be appreciated.
Sirefef.gen!c is a rather stubborn Trojan comes from the nasty Sirefef family. It breaks into the target computer by exploiting software vulnerability and runs in the background to wreak chaos on the infected machine. This virus can proliferate through malicious websites, spam email messages, unsafe downloads. Once it is installed, you will get a series of troubles.
Sirefef.gen!c may be used by cybercriminals to fool attacked PC users into spending money on the fake anti-spyware. Moreover, it may shut down your computer randomly and even block the Internet access. This type of virus can mess up the infected machine and notably slow down computer performance. Just like other Trojans, it will create a backdoor and connect to a remote server, allowing a remote attacker to gain control on the compromised computer. Thus, your private and critical information may be captured a remote host who will use them for Internet crimes. The Trojan also brings many potential threats into your computer such as malware, spyware and adware parasites. To sum up, don’t hesitate to delete Sirefef.gen!c once upon detection.
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. It can help you delete the virus as well as save all your precious data. 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:
As the above mentioned, we can know Sirefef.gen!c virus is a terrible infection that can damage the affected machine seriously. Usually it comes from network and gets into victims’ computers when they visit unsafe webpages. Once installed, it slows down your system performance and disconnects the Internet frequently. After that, you may experience system crash and file missing problems. Furthermore, even the most advanced anti-virus software is usually disabled by this harmful Trojan horse and becomes functionless in eliminating any types of threats from your computer entirely. Since the antivirus software loses its effectiveness, you are required to handle with the Trojan in a manual way.
Published by Sarah Poehler, last updated on February 27, 2013 10:04 am | How to Guides