TROJ_SECTHOT.AI
Adware:Win32/Malat (Microsoft); Adware-PortalScan. (McAfee); Adware.SecondThought (Symantec); PAK:UPX, Trojan.Win32.SecondThought.cp, Trojan.Win32.SecondThought.ai (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt); Trojan.Secondthought.AI (FSecure)
Windows 2000, Windows XP, Windows Server 2003
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan 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
28,160 bytes
EXE
No
24 Jun 2012
Arrival Details
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This Trojan creates the following folders:
- %Program Files%\Common Files\Slmss
(Note: %Program Files% is the default Program Files folder, usually C:\Program Files.)
Other System Modifications
This Trojan adds the following registry keys:
HKEY_CURRENT_USER\Software\STC
HKEY_CURRENT_USER\Software\STC\
Client
Dropping Routine
This Trojan drops the following files:
- %Desktop%\Second Thought.lnk
- %System Root%\myPcsearch.exe
- %Desktop%\myPCsearch.lnk
- %Program Files%\Common Files\Slmss\slmss.exe
(Note: %Desktop% is the current user's desktop, which is usually C:\Windows\Profiles\{user name}\Desktop on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Desktop on Windows NT, and C:\Documents and Settings\{User Name}\Desktop on Windows 2000, XP, and Server 2003.. %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.. %Program Files% is the default Program Files folder, usually C:\Program Files.)
Other Details
This Trojan connects to the following possibly malicious URL:
- http://www.{BLOCKED}ought.comconfig.html
- http://www.{BLOCKED}ought.com/files/myPCsearch.exe
- http://www.{BLOCKED}ought.comnewuid.php
This report is generated via an automated analysis system.
SOLUTION
9.200
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
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
- STC
- In HKEY_CURRENT_USER\Software\STC
- Client
Step 3
Search and delete these files
- %Desktop%\Second Thought.lnk
- %System Root%\myPcsearch.exe
- %Desktop%\myPCsearch.lnk
- %Program Files%\Common Files\Slmss\slmss.exe
Step 4
Search and delete this folder
- %Program Files%\Common Files\Slmss
Step 5
Scan your computer with your Trend Micro product to delete files detected as TROJ_SECTHOT.AI. 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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