ADDONBIOSDOS.EXE
Fix it immediately 
ADDONBIOSDOS.EXE Information and Removal:
The file ADDONBIOSDOS.EXE is identified as the Trojan Program that is used for stealing bank information and users passwords.
To delete ADDONBIOSDOS.EXE we suggest you should use UnHackMe:
ADDONBIOSDOS.EXE is known as:
Antivirus testing: 23 / 68
Dangerous Status: Potentially unwanted
Malware Aliases: Application.Generic.660354 PUA.Pirrit PUP/Win32.PirritSuggestor Trojan/Win32.TSGeneric Win32:Rootkit-gen [Rtk].
MD5 of ADDONBIOSDOS.EXE = E7D0CD7185BE89404CAB6922771D2996
ADDONBIOSDOS.EXE size is 110629 bytes.
Full path on a computer: C:\DOCUMENTS AND SETTINGS\USER\APPLICATION DATA\ADDONBIOSDOS\ADDONBIOSDOS.EXE
Tags:
ADDONBIOSDOS.EXE APPLICATION.GENERIC.660354 PUA.PIRRIT PUP/WIN32.PIRRITSUGGESTOR TROJAN/WIN32.TSGENERIC WIN32:ROOTKIT-GEN [RTK]
Fix it immediately!
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Your antivirus has shut itself off and you can't get it to start up again? Your search results are redirected all over the place. A lot of your folders are hidden. Random sounds are played on your laptop at random intervals (such as gunshots, etc.)
You guess it is a virus!
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