TSPY_KEYLOGR.LN
Windows
Threat Type: Spyware
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
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.
It logs a user's keystrokes to steal information.
It connects to certain websites to send and receive information.
TECHNICAL DETAILS
929,792 bytes
EXE
Yes
16 Nov 2014
Logs keystrokes, Drops files
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.
Installation
This spyware drops the following copies of itself into the affected system and executes them:
- %User StartUp%\waho.exe
It drops the following files:
- %User Temp%\pdf.ico
(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
Other System Modifications
This spyware adds the following registry keys:
HKEY_CURRENT_USER\Software\VB and VBA Program Settings
It adds the following registry entries:
HKEY_CURRENT_USER\Software\VB and VBA Program Settings\
%User StartUp%\logs
logs = "{Logged Keystrokes}"
HKEY_CURRENT_USER\Software\VB and VBA Program Settings\
%User StartUp%\Settimess
Settimess = 60
HKEY_CURRENT_USER\Software\VB and VBA Program Settings\
%User StartUp%\subb
subb = "LION"
HKEY_CURRENT_USER\Software\VB and VBA Program Settings\
%User StartUp%\Timesy
Timesy = "32"
Information Theft
This spyware logs a user's keystrokes to steal information.
Other Details
This spyware connects to the following website to send and receive information:
- http://www.{BLOCKED}ok.com/mobile/mobile.php
SOLUTION
9.700
11.281.00
17 Nov 2014
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
Identify and terminate files detected as TSPY_KEYLOGR.LN
- Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
- If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
- If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.
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
- VB and VBA Program Settings
- VB and VBA Program Settings
Step 4
Search and delete these files
Step 5
Scan your computer with your Trend Micro product to delete files detected as TSPY_KEYLOGR.LN. 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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