TROJ_THOPER.AL
April 03, 2013
ALIASES:
TrojanDownloader:Win32/Thoper.B(Microsoft), Trojan.Win32.Webprefix(Ikarus)
PLATFORM:
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
OVERALL RISK RATING:
DAMAGE POTENTIAL:
DISTRIBUTION POTENTIAL:
REPORTED INFECTION:
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan arrives as a component bundled with malware/grayware packages.
TECHNICAL DETAILS
File Size:
159,232 bytes
File Type:
DLL
Memory Resident:
Yes
Initial Samples Received Date:
02 Apr 2013
Arrival Details
This Trojan arrives as a component bundled with malware/grayware packages.
Installation
This Trojan creates the following folders:
- %Program Data%\Microsoft\Search
- %Program Data%\Microsoft\Search\Data
- %Program Data%\Microsoft\Search\Data\Applications
- %Program Data%\Microsoft\Search\Data\Applications\Windows
- %Program Data%\Microsoft\Search\Data\Applications\Windows\Projects
- %Program Data%\Microsoft\Search\Data\Applications\Windows\Projects\SystemIndex
- %Program Data%\Microsoft\Search\Data\Applications\Windows\Projects\SystemIndex\Indexer
- %Program Data%\Microsoft\Search\Data\Applications\Windows\Projects\SystemIndex\Indexer\CiFiles
- %Program Data%\Microsoft\RAC\PublishedData
Other System Modifications
This Trojan adds the following registry keys:
HKEY_CLASSES_ROOT\SS
It adds the following registry entries:
HKEY_CLASSES_ROOT\SS
CLSID = "{random value}"
Other Details
This Trojan connects to the following possibly malicious URL:
- http://{BLOCKED}t.{BLOCKED}tingserrvices.com
- http://{BLOCKED}.{BLOCKED}.83.48