[Windows] Virus blocking Malwarebytes Anti-Malware? Run it by using Chameleon

ChameleonIf you are already infected by a virus, getting Malwarebytes Anti-Malware running can be a pain. That is because a lot of viruses keep you from installing or running certain programs. The good news is, now you can bypass this with Chameleon.


Main Functionality

Chameleon is a small program that helps you install and run Malwarebytes Anti-Malware when this process is being blocked by malicious programs. In short, the program is able to trick the malicious program into thinking that it is something else.


  • Extremely small and portable
  • Can get Malwarebytes Anti-Malware running and installed on a computer that is blocked by malicious software
  • CHM Help File makes bypassing the malicious software easy


  • In some cases, this program still can’t help you


Chameleon ScreenshotChameleon is a very simple program that can be a lifesaver. Let’s say you are infected with a virus, and it is not letting you run Malwarebytes Anti-Malware or, maybe in some cases, even download it. Well, this is where Chameleon comes in. All you need to do is download this program and unzip it to a convenient location on your computer. From there, you just open up the CHM Help File and the program will walk you through the rest.

Using the CHM Help File is pretty simple. Once you open it you will see some information at the top and some buttons on the button left side. All you need to do is double-click on each one of these buttons, one at a time, until one of them remains open without being forced closed by the virus. After one stays open, you just follow the onscreen instructions to get Malwarebytes Anti-Malware running.

From the looks of it, Chameleon tricks the virus into thinking that you are running something that you are not. This makes it easier for you to bypass its blocking features and either install or run Malwarebytes. Although this is a very helpful program, I did read some reports online that it does not always work. In some cases, the virus will not let any of the programs run that you click on. On top of that, if you are not able to download anything using your computer, you would have to download Chameleon on a different computer and save it to a USB device to upload to your computer that way.


Chameleon may not be perfect, but it is worth a try if you are being prevented from installing and running Malwarebytes by some kind of malicious software. It is not guaranteed to work, but if it does, it may save you a lot of problems. I do, however, recommend already having Malwarebytes and Chameleon downloaded on your computer. This should help Chameleon be more effective when needed.

Price: Free

Version reviewed: 1.62.1

Supported OS: Windows XP / Vista / 7 / 8

Download size: 1.4MB

VirusTotal malware scan results: 1/46

Is it portable? Yes

Chameleon homepage

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  • Luislgm

    I still have WXP and downloaded Chameleon. After clicking on Chameleon #1, It started installing Malwarebytes Anti-Malware but it stop, showing C:WINDOWS\system32\drivers\mbam.sys “An error occurred while trying to rename a file in the destination directory: MoveFile failed; code 5” “Access is denied”. I’ve click on “Retry” but the error is still there. Any help will be appreciated.

  • Jenita

    New to hear about this antivirus!! so far i came across the best antivirus like comodo, kaspersky etc.. Thanks for sharing..

  • AFPhys

    Very interesting suggestion. It may well be a bugger like the one you cite. I will keep this in mind when I finally tackle this machine – probably in about two weeks.

    Thanks for your time!

  • Mags

    @AFPhys: If Cameleon doesn’t work on your old pc, maybe this will help.

    My son’s offline pc was badly infected with the Ramnit Virus. (F-Secure definition “A program that secretly and maliciously integrates itself into program or data files. It spreads by integrating itself into more files each time the host program is run.”

    How he got it isn’t clear, but it was a nasty bugger. It had infected everything.

    I tried using Malwarebytes (MWB) (yes it let me install and run MWB) but the problem was that it wouldn’t let it get rid of anything it found. (there was over 4,000 instances) Then MWB would cease to function.

    Solution: I uninstalled MWB then reinstalled it. However, instead of letting it scan the entire drive, I ran it on selected folders. I found that doing it that way allowed MWB to get rid of the virus infection in the infected folders. That got rid of approx 1000 of the instances.

    The remaining 3000 was a bit more tricky as MWB couldn’t fix the remainder. The remaining problem was within the Windows System Restore file. I couldn’t delete the files and MWB couldn’t fix them.

    The next thought was to turn off System Restore. Reason being that when you turn it off, all the restore points disappear. I turned off the pc, (not a reboot, but a shutdown) waited about 1/2 a min and turned the pc back on again. Checked the folder and voila, no restore points. Turned System Restore back on again and checked the folder. All instances were gone.

    Just to make sure I created a couple of new restore points and kept checking the pc (and running MWB) for a few days afterwards.

    That was a few months ago and so far no re-ocurance of the virus.

    Your situation may not be similar, but hope it helps.

  • AFPhys

    Hmm… this is bringing up a sore subject for me. I have a very capable computer that I have not run for a while due to some creeping illness … programs were progressively getting permissions degraded so I could not run them. I found that I could copy the unworkable (say) firefox.exe to tempfox.exe delete firefox.exe and then rename tempfox, and run the new version of firefox.exe one time, after which executing it was again locked out. It seemed to be true with every program, and I seem to recall it was connected with permissions and not being able to change them back for some reason. Since I’d gotten a new laptop, It wasn’t very important to get it working, but now I really ought to do it.

    Perhaps chameleon will be worth running… hoping it finds and exterminates the nasty … but I have been putting this off because I know I will have a bunch of work then resetting the permissions and haven’t a clue how to do that other than brute force, file by file. (I stopped using the computer since I didn’t want to do even more damage unwittingly.)

    Thanks (I think) for reminding me of some unfinished business I have and providing a tool to try to use.