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Ultra Defragger Virus/Malware Removal Guide

If a program called Ultra Defragger has recently appeared on your computer (see the image embedded at the end of this post) you may be wondering what it is, and whether you should buy the full version, we have some important information for you, it is in fact a form of virus/malware and shows fake alerts to try and trick you into buying it. In this post we will talk about the program’s fake alerts and explain to you how to remove it.

Let’s start with some of the program’s many fake alerts, these look very similar to real Windows warnings, however they are all part of the scam, therefore if you see a message reading “Critical Error! – Damaged hard drive clusters detected. Private data is at risk.”, “Critical Error – Hard Drive not found. Missing hard drive.” or something similar ignore them for now, as we will get rid of all of them.

As with all of my guides I recommend downloading a few programs and putting them on a CD/Flash drive, it is important to have the latest and greatest versions downloaded, so click on the following links to download them, CCleaner, rkill and Malwarebytes’ Anti-Malware.

The first thing I would do is to shut down the infected computer and restart it in Safe Mode with Networking mode (instructions here), once the PC is in Safe Mode with Networking mode I would then install CCleaner to clean up unnecessary file build up, this will speed up infection scans and perhaps improve overall computer performance, you can see how to clear unnecessary file build up here.

We will now attempt to remove the infections, firstly you should run rkill to kill any processes associated with infections, on Windows 7 and Vista you may have to right click this utility and click “Run as Administrator” rkill does not require any user input and takes just a few seconds to complete, you should now install Malwarebytes’ Anti-Malware.

Once you have Malwarebytes’ Anti-Malware installed you should open it, you must then click on the update tab and click “check for updates”, this requires an active internet connection and will update the program’s definition files, once updated click the scanner tab, highlight the “perform full scan” option and then select the “C:” and click scan.

This scan will take some time, once complete click “show results”, select all of the infections found and then click “remove selected”, you may have to restart your PC, however once your computer starts back up Ultra Defragger should be gone.

We would love to hear whether this guide helped you get rid of Ultra Defragger, therefore let us know in the comments section below.

Source: BleepingComputer

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