I am running Windows 7 on my computer and I dont know how did I get infected with this DirtyDefrag.exe virus. I tried to scan my PC with Norton Antivirus but it is not picking anything. If I am trying to open any files on my computer like pdf files, my photos, videos, etc; then a message pops up saying that "file is encrypted and can be decrypted by DirtyDecrypt.exe". Can anyone tell me how do I remove this virus from my pc? Thanks
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