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TSPY_QBOT.O

October 08, 2012
 Analysis by: Christopher Daniel So
 PLATFORM:

Windows 2000, XP, Server 2003

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW


This spyware may be downloaded by other malware/grayware/spyware from remote sites. It may be unknowingly downloaded by a user while visiting malicious websites.

It opens a hidden Internet Explorer window.

  TECHNICAL DETAILS

File Size:

Varies

File Type:

PE

Memory Resident:

Yes

Initial Samples Received Date:

25 Sep 2010

Payload:

Redirects users to sites serving ads

Arrival Details

This spyware may be downloaded by other malware/grayware/spyware from remote sites.

It may be unknowingly downloaded by a user while visiting malicious websites.

Installation

This spyware s DLL component is injected to the following process(es):

  • IEXPLORE.EXE

Other Details

This spyware connects to the following possibly malicious URL:

  • http://{BLOCKED}xd{7 random characters}/

It opens a hidden Internet Explorer window.

It does the following:

  • Redirects the hidden Internet Explorer browser to various ad sites after connecting to the possibly malicious website. Ad sites can serve tracking cookies which, in turn, can monitor the affected system that can lead to information stealing.

  SOLUTION

Minimum Scan Engine:

8.900

VSAPI OPR PATTERN File:

7.492.02

VSAPI OPR PATTERN Date:

26 Sep 2010

OPP PATTERN File:

7.493.00

OPP PATTERN Date:

26 Sep 2010

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Scan your computer with your Trend Micro product and note files detected as TSPY_QBOT.O

Step 3

Restart in Safe Mode

[ Learn More ]

Step 4

Search and delete the file detected as TSPY_QBOT.O

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden files in the search result.

Step 5

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_QBOT.O. 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.


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