Avast Antivirus

Avast

Avast Fixes

• With recent Virus Definition Updates we get the error An error occurred in avast! engine: Invalid argument
• Fix:
  • Run this connand first: sysctl -w kernel.shmmax=128000000
  • See: http://forum.avast.com/index.php?topic=57775.15

Avast command line usage

• Update virus definitions:
  • avast-update
• Scanning:
  • avast -t A -r report.txt directory_to_scan >/dev/null 2>&1
    • Note: the report.txt file contains the summary and any errors - no point saving stdout

Avast GUI version

• avastgui
  • Virus definition updates and directory scans can all be done within this app
  1. ) update definitions
  2. ) Add directories to scan
  3. ) start scan

Examples

• Mount the Windows partition you want to scan, say mount /dev/sda2 /mnt/sda2
  • hint: fdisk -l to view the partitions

• • Click on "Update Database" to update virus definitions (that can take a few minutes)
  • Select folders to scan -> Selected folders
    • Click the "+" to select the folder to scan
    • point to /mnt/sda2
  • Start Scan