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Trojan:DOS/Alureon.E Removal

Trojan:DOS/Alureon.E Removal

Article Summary: Trojan:DOS/Alureon.E is the detection name for infected Volume Boot Records (VBR) produced by certain variants of the Win32/Alureon rootkit family. The rootkit infects 32-bit and 64-bit systems.

Table of Contents:
  1. Fix for Trojan:DOS/Alureon.E Removal

Issue 1.

Some anti-virus program can detect this (Especially awsMBR and MSE) but will not be able to remove it easily. The AV program will prompt for a restart to complete the cleaning process, but after reboots, it will appear that the threat is not removed and it will yet again prompt for another restart

The threat is a rootkit that creates a new partition. This partition will be hidden from Disk Management. It will be visible though in the Command Prompt. Reformatting the OS partition may not be the solution since the rootkit is located on a separate partition.

Delete the partition created by the rootkit via elevated command prompt. Here’s how:
1) Open elevated command prompt (Run CMD as Administrator)
2) Type ‘DISKPART’
3) Select the hard drive by typing ‘SELECT DISK N’ (N is the number assigned to the drive that needs to be fixed)
a. Example: SELECT DISK 0
b. If you are not sure what number to select, type ‘LIST DISK’
4) Type ‘LIST PARTITION’ to see all partitions from that drive. Normally, you would only see three paritions: The OS partition, Recovery partition, and the OEM or System Reserved Partition. The fourth partition with less than 1GB will be more likely the partition created by the rootkit.
5) Delete the suspicious partition using the following commands
a. Select the partition by typing ‘SELECT PARTITION n’ (N is the number assigned to the said partition)
b. Type ‘DELETE PARTITION’ to delete the volume.
6) Type ‘EXIT’ to exit out.


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ID de l'article : SLN186158

Date de la dernière modification : 06/10/2013 12:00 AM

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