Just a quick note on scanning files on linux. By far the most popular AV program on Linux is ClamAV. To install (Debian):
apt-get install clamav clamav-daemon
run initial AV definition update:
# freshclam ClamAV update process started at Sun Mar 27 13:55:19 2016 WARNING: Your ClamAV installation is OUTDATED! WARNING: Local version: 0.99 Recommended version: 0.99.1 DON'T PANIC! Read http://www.clamav.net/support/faq Empty script main-56.cdiff, need to download entire database Downloading daily.cvd [100%] daily.cvd updated (version: 21475, sigs: 83902, f-level: 63, builder: jesler) Downloading bytecode-272.cdiff [100%] Downloading bytecode-273.cdiff [100%] Downloading bytecode-274.cdiff [100%] Empty script bytecode-275.cdiff, need to download entire database Downloading bytecode.cvd [100%] bytecode.cvd updated (version: 275, sigs: 45, f-level: 63, builder: amishhammer) Database updated (4302737 signatures) from db.local.clamav.net (IP: 129.67.1.218) Clamd successfully notified about the update.
Now to scan a folder and display list of infected files just run:
clamscan -r -i /folder/to/scan
Once the scan is completed scan summary will be displayed:
----------- SCAN SUMMARY ----------- Known viruses: 4297365 Engine version: 0.99 Scanned directories: 60 Scanned files: 318 Infected files: 0 Data scanned: 805.54 MB Data read: 27979.70 MB (ratio 0.03:1) Time: 55.183 sec (0 m 55 s)