TSPY_DRIDEX.VVQB

February 10, 2015

PLATFORM:

Windows

OVERALL RISK RATING:

REPORTED INFECTION:

SYSTEM IMPACT RATING:

INFORMATION EXPOSURE:

Threat Type: Spyware
Destructiveness: No
Encrypted:
In the wild: Yes

OVERVIEW

This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

TECHNICAL DETAILS

File Size:

76,288 bytes

File Type:

EXE

Memory Resident:

Initial Samples Received Date:

27 Jan 2015

Arrival Details

This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Other System Modifications

This spyware deletes the following files:

\edg1.tmp
\edg4.tmp
\edg7.tmp
\edgA.tmp
\edgD.tmp
\edg10.tmp
\edg13.tmp
\edg16.tmp
\edg19.tmp
\edg1C.tmp
\edg1F.tmp
\edg22.tmp
\edg25.tmp
\edg28.tmp
\edg2B.tmp
\edg2E.tmp
\edg31.tmp
\edg34.tmp
\edg37.tmp
\edg3A.tmp
\edg3D.tmp
\edg40.tmp
\edg43.tmp
\edg46.tmp
\edg49.tmp
\edg4C.tmp
\edg4F.tmp
\edg52.tmp
\edg55.tmp
\edg58.tmp
\edg5B.tmp
\edg5E.tmp
\edg61.tmp
\edg64.tmp
\edg67.tmp
\edg6A.tmp
\edg6D.tmp
\edg70.tmp
\edg73.tmp
\edg76.tmp
\edg79.tmp
\edg7C.tmp
\edg7F.tmp
\edg82.tmp

Dropping Routine

This spyware drops the following files:

\edg1.exe
\edg4.exe
\edg7.exe
\edgA.exe
\edgD.exe
\edg10.exe
\edg13.exe
\edg16.exe
\edg19.exe
\edg1C.exe
\edg1F.exe
\edg22.exe
\edg25.exe
\edg28.exe
\edg2B.exe
\edg2E.exe
\edg31.exe
\edg34.exe
\edg37.exe
\edg3A.exe
\edg3D.exe
\edg40.exe
\edg43.exe
\edg46.exe
\edg49.exe
\edg4C.exe
\edg4F.exe
\edg52.exe
\edg55.exe
\edg58.exe
\edg5B.exe
\edg5E.exe
\edg61.exe
\edg64.exe
\edg67.exe
\edg6A.exe
\edg6D.exe
\edg70.exe
\edg73.exe
\edg76.exe
\edg79.exe
\edg7C.exe
\edg7F.exe
\edg82.exe

This report is generated via an automated analysis system.

SOLUTION

Minimum Scan Engine:

9.700

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Search and delete these components

[ Learn More ]

There may be some components that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.

\edg1.exe
\edg4.exe
\edg7.exe
\edgA.exe
\edgD.exe
\edg10.exe
\edg13.exe
\edg16.exe
\edg19.exe
\edg1C.exe
\edg1F.exe
\edg22.exe
\edg25.exe
\edg28.exe
\edg2B.exe
\edg2E.exe
\edg31.exe
\edg34.exe
\edg37.exe
\edg3A.exe
\edg3D.exe
\edg40.exe
\edg43.exe
\edg46.exe
\edg49.exe
\edg4C.exe
\edg4F.exe
\edg52.exe
\edg55.exe
\edg58.exe
\edg5B.exe
\edg5E.exe
\edg61.exe
\edg64.exe
\edg67.exe
\edg6A.exe
\edg6D.exe
\edg70.exe
\edg73.exe
\edg76.exe
\edg79.exe
\edg7C.exe
\edg7F.exe
\edg82.exe

Step 3

Scan your computer with your Trend Micro product to delete files detected as TSPY_DRIDEX.VVQB. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.

Step 4

Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.

\edg1.tmp
\edg4.tmp
\edg7.tmp
\edgA.tmp
\edgD.tmp
\edg10.tmp
\edg13.tmp
\edg16.tmp
\edg19.tmp
\edg1C.tmp
\edg1F.tmp
\edg22.tmp
\edg25.tmp
\edg28.tmp
\edg2B.tmp
\edg2E.tmp
\edg31.tmp
\edg34.tmp
\edg37.tmp
\edg3A.tmp
\edg3D.tmp
\edg40.tmp
\edg43.tmp
\edg46.tmp
\edg49.tmp
\edg4C.tmp
\edg4F.tmp
\edg52.tmp
\edg55.tmp
\edg58.tmp
\edg5B.tmp
\edg5E.tmp
\edg61.tmp
\edg64.tmp
\edg67.tmp
\edg6A.tmp
\edg6D.tmp
\edg70.tmp
\edg73.tmp
\edg76.tmp
\edg79.tmp
\edg7C.tmp
\edg7F.tmp
\edg82.tmp

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TSPY_DRIDEX.VVQB

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SOLUTION

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