TROJ_DROPPER.OKB
Windows 98, ME, NT, 2000, XP, Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan executes downloaded files whose malicious routines are exhibited by the affected system.
TECHNICAL DETAILS
707,584 bytes
PE
No
13 Jul 2010
Downloads files, , Connects to URLs/Ips, Displays graphics/image
Other System Modifications
This Trojan adds the following registry entries as part of its installation routine:
HKEY_CURRENT_USER\Software\Antimalware Doctor Inc
=
(Note: The default value data of the said registry entry is .)
HKEY_CURRENT_USER\Software\Antimalware Doctor Inc\
Antimalware Doctor
=
(Note: The default value data of the said registry entry is .)
HKEY_CURRENT_USER\Software\Antimalware Doctor Inc\
Antimalware Doctor
coid = 8ECA7AF392E7B5E74FDAFAF0408248C2
Download Routine
This Trojan connects to the following website(s) to download and execute a malicious file:
- http://{BLOCKED}ype.in/lp/70714/appmodulesetup70714.exe
It executes downloaded files :
Other Details
This Trojan connects to the following possibly malicious URL:
- http://s.{BLOCKED}e.in/inst.php?a=7071410005&b=USA&c=&d=10&e=V2luZG93cyBYUCAoNS4xLjI2MDApIFNlcnZpY2UgUGFjayAy&do=2
- http://s.{BLOCKED}e.in/inst.php?a=7071410005&b=USA&c=&d=11&e=V2luZG93cyBYUCAoNS4xLjI2MDApIFNlcnZpY2UgUGFjayAy&do=2
- http://{BLOCKED}e.in/load/load.php?a=7071410005&b=USA&c=8ECA7AF392E7B5E74FDAFAF0408248C2&d={event}&e=V2luZG93cyBYUCAoNS4xLjI2MDApIFNlcnZpY2UgUGFjayAy
SOLUTION
8.900
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
Scan your computer with your Trend Micro product to delete files detected as TROJ_DROPPER.OKB. 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 3
Delete this registry key
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_CURRENT_USER\Software\
- Antimalware Doctor Inc
- Antimalware Doctor Inc
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