Overview
Characteristics
The detection of FDoS-Qweek was added to cover for a malicious file called quake.exe (name might vary). The file is a 32 bit PE file having a filesize of 20,992 bytes. There's also another variant having the same filesize. The files are internally packed with upx.
The file doesn't have a GUI interface, it runs in console mode.
The file targets Quake servers, flooding them with spoofed connection requests.
Symptoms
Method of Infection
Manually running the malicious file quake.exe (20,992 bytes) starts the FDoS-Qweek malware.
Removal
All Users:
Use current engine and DAT files for detection and removal.
Modifications made to the system Registry and/or INI files for the purposes of hooking system startup, will be successfully removed if cleaning with the recommended engine and DAT combination (or higher).
But in some particular cases, the following steps need to be taken.
Please go to the Microsoft Recovery Console and restore a clean MBR.
On Windows XP:
- Insert the Windows XP CD into the CD-ROM drive and restart the computer.
- When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
- Select the Windows installation that is compromised and provide the administrator password.
- Issue 'fixmbr' command to restore the Master Boot Record
- Follow onscreen instructions.
- Reset and remove the CD from CD-ROM drive.
On Windows Vista and 7:
- Insert the Windows CD into the CD-ROM drive and restart the computer.
- Click on "Repair Your Computer".
- When the System Recovery Options dialog comes up, choose the Command Prompt.
- Issue 'bootrec /fixmbr' command to restore the Master Boot Record.
- Follow onscreen instructions.
- Reset and remove the CD from CD-ROM drive.
Variants