What is the Zlob Trojan and what does it do? Well, the answer is that it’s a nasty little Trojan horse that can sneak into a personal computer (PC) by convincing the computer user that it is an anti-spyware program when in fact what it really is is a way for a virus called Zlob to get into the hard drive and operating system of a computer. As a result, computers often will then experience unending shutdowns and reboots.
Normally, the first thing a computer user notices when this Trojan horse is trying to enter the computer is a fake pop up that appears that says that the video file which is trying to be viewed needs a new codec — usually related to an ActiveX codec — in order to operate properly. Unfortunately, the Trojan hides within this download and then begins its malicious work.
After the Trojan gains entrance a series of pop ups begin to appear that resemble something that Microsoft might use to warn a user that his or her computer has been infected with a virus. Clicking anywhere on the pop up can trigger the download of that fake anti-spyware program — the most common variants of the fake spyware program are Virus Heat and MS Antivirus — which will actually implant the real Trojan horse.
The Zlob Trojan will sometimes cause another file – in the. Exe class of files — to be downloaded, and in that case it will tend to use the Windows Security icon in order to disguise its true nature and make a user think that it is an antivirus file from Microsoft that can be used to install a fix to the problem the Trojan itself is causing.
Once that particular file gets in and is installed a large number of problems might begin to occur with the computer, a couple of which revolve around an ordered shutdowns and reboots. In the case of those reboots, the Trojan is causing problems in the Windows Scheduled Tasks files related to an executable file called “zlberfker. Exe”. As a result of that particular file, the computer is usually plagued by reboots and shutdowns until a real fix can be implemented.
Additionally, as if that wasn’t enough, the computer may have been infected by a redirect program that the Trojan brings along with it and which will send users to websites that are controlled by certain Russian criminal groups and which tend to be pornographic in nature. This is sure to be an eye-opener to the little old church lady, one would say.
As to what to do if those pop-up ads appear, the quick answer is to never, ever click on them. Instead, do what’s called a hard shutdown cutting off power to the PC immediately and then waiting a couple of seconds and then rebooting it and ordering a disk scan for consistency in order to ensure that the download was interrupted.
Zlob Downloader is a serious problem and should be removed now.
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