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Dangerous and malicious file icon Dangerous and malicious file type extensions
(130 file extension database entries)

Group of file extensions, which can be dangerous and harmful for your computer, but it may be also a regular program or data files. You should run a virus scan before opening any unknown file type from this group

Dangerous and malicious file extension list

Group of file extensions, which can be dangerous and harmful for your computer, but it may be also a regular program or data files. You should run a virus scan before opening any unknown file type from this group.

Malicious software, also known as malware, is an application or a file, which is harmful to the computer user. Malicious software includes computer viruses, worms, trojan horses, spyware, adware or rootkits.

Computer virus - virus is a program or programming code, which replicates by being copied or initiating its copying to another program, computer boot sector or document. Viruses can be transmitted as attachments to an e-mail note or in a downloaded file, or can be present on a diskette or CD. Some viruses wreak their effect as soon as their code is executed, other lie dormant until circumstances cause their code to be executed by the computer.

Computer worm - worm is a self-replicating virus, which does not alter files, but resides in active memory and duplicates itself. Worms use parts of the operating system that are automatic and usually invisible to the user. It is common for worms to be noticed only after their uncontrolled replication consumes system resources, slowing or halting other tasks.

Trojan horses - trojan horse (also known as trojan), is non-self-replicating malware, which appears to perform a desirable function for the user, while facilitates unauthorized access to the user's computer system.

Spyware - spyware is any technology, which aids in gathering information about a person or organization without their knowledge. Spyware is a program that is installed in someone's computer to secretly gather information about the user and to relay it to advertisers or other interested parties. Spyware can get in the computer as a software virus or as the result of installing a new program.

Adware - adware is any software package, which automatically plays, displays or downloads advertisements to the computer after the software is installed on it or while the application is being used.

Rootkits - rootkit is a collection of programs that enable administrator-level access to a computer or computer network. Typically, a cracker installs a rootkit on a computer after first obtaining user-level access, either by exploiting a known vulnerability or cracking the password. Once the rootkit is installed, it allows the attacker to mask intrusion and gain root or privileged access to the computer and possibly also to other machines in the network.

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 file extension gzquarBitDefender quarantine file
bin file icon file extension binCD/DVD binary image file
eml file icon file extension emlEmail message file
exe file icon file extension exeProgram executable file
dll file icon file extension dllDynamic Link Library file
zix file icon file extension zixWinZix compressed archive file
lnk file icon file extension lnkWindows Shortcut file
jar file icon file extension jarCompressed archive file package for Java classes and data file
 file extension sysSystem file
shs file icon file extension shsMicrosoft Windows Shell Scrap Object file
 file extension ctblMalrware encrypted file
swf file icon file extension swfShockWave Flash, Animated vector format for the Internet
chm file icon file extension chmMicrosoft compiled HTML help file
vsd file icon file extension vsdMicrosoft Visio diagram document file
js file icon file extension jsJavaScript file
bat file icon file extension batBatch file (executable)
 file extension aruAutorun.aru malicious file
 file extension smtmpTrojan:Win32/FakeSysdef folder
wmf file icon file extension wmfWindows metafile format
ocx file icon file extension ocxActiveX control file
 file extension bukMalicious file
ini file icon file extension iniText configuration file
ws file icon file extension wsMicrosoft Windows script file
pif file icon file extension pifMicrosoft Windows Program Information File
386 file icon file extension 386Windows virtual device driver
 file extension ozdWin32.TrojanDownloader.Agent.OZD trojan
scr file icon file extension scrMicrosoft Windows screensaver file
 file extension rsc_tmpTemporary file
tif file icon file extension tifAldus Tagged Image File Format (TIFF) bitmap image
cpl file icon file extension cplMicrosoft Windows Control Panel file
drv file icon file extension drvMicrosoft Windows device driver
com file icon file extension comCommand executable file
 file extension dxzTrojan backdoor virus file
 file extension xirBackDoor.Generic9.XIR trojan file
vbs file icon file extension vbsVisual Basic script file
class file icon file extension classJava bytecode class file
 file extension smmAmi Pro macro file
 file extension tpsScam torrent file
vxd file icon file extension vxdMicrosoft Windows virtual device driver
 file extension cihChernobyl virus file
 file extension likTrojan.Win32.Agent.lik file
pcx file icon file extension pcxPaintbrush bitmap image
cmd file icon file extension cmdMicrosoft Windows command script file
 file extension scrScript file
xlm file icon file extension xlmMicrosoft Excel Macro file
 file extension exe1Renamed executable file
 file extension nlsTroj/Agent-GIS file
 file extension bkdBook Library Local Dos exploit file
 file extension sopMalware word.sop file
wss file icon file extension wssMicrosoft Windows Sound System file
 file extension wlpginstallPossible Malware file
 file extension mjzTrojan.Win32.Agent.mjz file
 file extension rhkBackdoor.Win32.Rbot.rhk trojan virus file
php3 file icon file extension php3PHP version 3 script file
dev file icon file extension devWindows Device Driver file
 file extension hlwwin32/AMalum.EDHZ file
 file extension ccTrojan Spymaster.A text file
vbe file icon file extension vbeVisual Basic encoded script file
vba file icon file extension vbaVisual Basic VBA module file
 file extension fnrTrojan-Dropper.Win32.Flystud.lc. file
 file extension kcdrshiphop.kcd malware file
 file extension osaW32/Sober-AD file
 file extension tsajnana.tsa malware file
hlp file icon file extension hlpHelp file
vb file icon file extension vbMicrosoft Visual Studio Visual Basic script file
 file extension dllxBackdoor.Bot file
 file extension domDomPlayer malicious file
 file extension fujWorm.Win32.AutoRun.fuj virus file
 file extension xduBackdoor.Win32.PcClient.xdu file
php2 file icon file extension php2PHP version 2 script (HyperText PreProcessor)
pgm file icon file extension pgmPortable graymap file format
 file extension mjgTrojan file
 file extension bllVBS/European-A worm file
 file extension cxqSillyDl.CXQ downloading trojan file
 file extension blfBeast Trojan File
 file extension bxzitaup.bxz malware file
 file extension dyzBackdoor.Win32.ProRat.dyz trojan file
 file extension dyvWORM_AUTORUN.DYV Worm file
 file extension s7pSubSeven trojan file
wsh file icon file extension wshMicrosoft Windows Scripting Host file
 file extension dlbTroj/Dloadr-AHT file
 file extension delfMalicious or virus file
 file extension dbdDemoShield project file
 file extension vexeInfected executable file
 file extension exe_renamedRenamed EXE file
 file extension eztWorm.Win32.AutoRun.ezt file
 file extension fagWin32.AutoRun.fag
 file extension fjlRootkit.Win32.Agent.fjl virus file
 file extension uzyBackdoor.Sokacaps file
 file extension mfuBackdoor.Win32.Agent.mfu virus file
 file extension oarHSQLDB database file
 file extension vzrSinowal.vzr malware file
 file extension ttiBeast Trojan file
 file extension spamSpam e-mail message
 file extension booMicrosoft Booasm.arc encoded file archive
cla file icon file extension claJava Class file
 file extension plcLotus add-in functions macros applications
wsc file icon file extension wscMicrosoft Windows scripting component file
 file extension autMalware AutoStartup file
 file extension ce0Winewar worm file
 file extension htsTroj/DelSpy-E file
atm file icon file extension atmTroj/ProAgent-A
 file extension skaHappy99 virus file
 file extension ceoWinewar worm file
 file extension upaFake download file
 file extension zvzMalware file
 file extension bmwW32/Liji-A virus file
 file extension ssyW32/Sober-AD file
 file extension xntW32/Sober-AD file
vbx file icon file extension vbxMicrosoft Visual Basic Extension file
wsf file icon file extension wsfMicrosoft Windows scripting file
 file extension lokW32/Rbot-WE log file
 file extension ivaDementia.4207 virus file
 file extension bqfBackdoor.Win32.Ciadoor.bqf trojan file
 file extension cfxxePossibly Malware file
 file extension aeplTrojan file
 file extension hsqQaz Trojan data file
 file extension cywRbot.CYW worm file
 file extension rnaMalware file
 file extension dliWin32.Sober.AD@mm file
 file extension iwsTrojan-Downloader.JS.Agent file
 file extension lkhWorm.Generic.LKH virus file
 file extension qitBackdoor.QIT trojan horse file
 file extension tkoWin32/Oficla malware file
 file extension txsBeast Trojan file
 file extension letNuke Randomic Life Generator file
 file extension prW32/Brontok-DP worm file
 file extension pidW32/Yayin-A worm data file
xlv file icon file extension xlvMicrosoft Excel VBA module file
 file extension dxWin32/Alureon file


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