Automatically Scan for Viruses When Plugging in a USB Flash Drive

AVG (Free) Antivirus 2013

"C:\Program Files\AVG\AVG2013\avgscanx.exe" /CLEAN /SCAN=%%c:

Look here for more AVG commandline scan parameters.

Kaspersky Anti-Virus 2013

"C:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus 2013\" scan %%c:

Kaspersky Internet Security 2013

"C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 2013\" scan %%c:

Here are the commands for Kaspersky 2010 which are still the same for 2013.

Norton Anti-Virus

"C:\Program Files\Norton Antivirus\Engine\\navw32.exe" %%c:

Norton Internet Security

"C:\Program Files\Norton Internet Security\Engine\\Navw32.exe" %%c:

Find more scanning commands on the Symantec website.

Norton On-Demand Scan

ESET NOD32 Antivirus

"C:\Program Files\ESET\ESET NOD32 Antivirus\ecls.exe" /aind /action=clean %%c:

ESET Smart Security

"C:\Program Files\ESET\ESET Smart Security\ecls.exe" /aind /action=clean %%c:

Find more commands on the ESET website.


"C:\Program Files\ClamWin\bin\clamscan.exe" --database=C:\ProgramData\.clamwin\db --show-progress --recursive=yes %%c:

ClamWin needs the location of the virus definition database in the command line, the default is C:\ProgramData\.clamwin\db in Windows Vista/7/8 if you installed it. To check the current location of the virus definition database, run the ClamWin program and go to Tools -> Preferences -> File Locations.

ClamWin Virus Database Folder

Microsoft Security Essentials

"C:\Program Files\Microsoft Security Client\MpCmdRun.exe" -Scan -ScanType 3 -File %%c:

For a full list of MpCmdRun commands, download this text file.

Windows Defender (Windows 8)

"C:\Program Files\Windows Defender\MpCmdRun.exe" -Scan -ScanType 3 -File %%c:


Appears to be supported by the command bdc.exe but this program never got installed on any 2013 product we tested.

Avira Free Antivirus

Download this configuration file and place it in \Program Files\Avira\, don’t try to put it in the AntiVir Desktop folder. Then place the following command into the USBVirusScan batch file:

"C:\Program Files\Avira\AntiVir Desktop\avscan.exe" /CFG="C:\Program Files\Avira\USBscan.txt" /PATH="%%c:"

Avira Luke Filewalker

There is also a more traditional command line scanner available from the Avira website.

McAfee VirusScan

Not Supported because none of the Home products have the command line feature built in.

Avast! Antivirus Pro / Internet Security

"C:\Program Files\AVAST Software\Avast\ashCmd.exe" %%c: /P=[321]

Avast! Free Edition

The free edition does not support command line scanning in the same way as the Internet Security or Pro versions although it has a quick scanner tool with no arguments apart from a drive letter, this will simply popup a message if it detects anything suspicious during the scan.

"C:\Program Files\AVAST Software\Avast\ashquick.exe" %%c:

There are number of other command line arguments to use in USBVirusScan such as hiding the program from the tray (-i), disabling the exit button in the tray (-e) and scanning all removable drives when the program starts (-s) etc. Double click the executable or right click on the tray icon -> About for the full list of supported arguments.

Download USBVirusScan

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