TSPY_MEMLOG.B
TrojanSpy:Win32/Ploscato.G (Microsoft), Trojan-Spy.Win32.POS.q (Kaspersky), Troj/Ploscato-A (Sophos)
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Spyware
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
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 may be dropped by other malware.
TECHNICAL DETAILS
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.
It may be dropped by other malware.
Installation
This spyware drops the following files:
- %Windows%\Help\ifxjdbc.chm - contains IP address of affected system
(Note: %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)
It adds the following mutexes to ensure that only one of its copies runs at any one time:
- m_number3
NOTES:
This spyware accepts the parameter -service.
It reads the memory of the all running processes to dump credit card information except for the following processes:
- smss.exe
- csrss.exe
- wininit.exe
- services.exe
- lsass.exe
- svchost.exe
- winlogon.exe
- sched.exe
- spoolsv.exe
- System
- conhost.exe
- ctfmon.exe
- wmiprvse.exe
- mdm.exe
- taskmgr.exe
- explorer.exe
- RegSrvc.exe
- firefox.exe
- chrome.exe
It validates if the credit card format belongs to any of the following:
- American Express
- Diners Club - Carte Blanche
- Diners Club - International
SOLUTION
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
Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.
Step 3
Restart in Safe Mode
Step 4
Search and delete this file
- %Windows%\Help\ifxjdbc.chm
Step 5
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_MEMLOG.B. 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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