TSPY_BANKER.JRR
Windows 2000, Windows XP, Windows Server 2003
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Spyware
Destructiveness: No
Encrypted:
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 deletes itself after execution.
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.
Other System Modifications
This spyware deletes the following files:
- 59.txt
- %User Temp%\WWWNAV~1.COM
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003.)
It adds the following registry entries:
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\hzdgzb
Description = "hzdgzb"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\MD ServicesB1
Description = "Thank you"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\FireFox
Description = "FireFox Browser Driver"
Dropping Routine
This spyware drops the following files:
- %User Temp%\biz.exe
- %User Temp%\www.naver.com
- %User Temp%\27.exe
- %System%\hfblddel.bat
- %System%\firefox.exe
- %System%\zmdpmg.exe
- %Program Files%\Internet Explorer\Svcqgab.exe
Other Details
This spyware connects to the following possibly malicious URL:
- http://www.{BLOCKED}ya.com/din.htm
It deletes itself after execution.
This report is generated via an automated analysis system.
SOLUTION
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 value
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_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\hzdgzb
- Description = "hzdgzb"
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\MD ServicesB1
- Description = "Thank you"
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\FireFox
- Description = "FireFox Browser Driver"
Step 3
Search and delete these files
- %User Temp%\biz.exe
- %User Temp%\www.naver.com
- %User Temp%\27.exe
- %System%\hfblddel.bat
- %System%\firefox.exe
- %System%\zmdpmg.exe
- %Program Files%\Internet Explorer\Svcqgab.exe
Step 4
Scan your computer with your Trend Micro product to delete files detected as TSPY_BANKER.JRR. 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 5
Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.
- 59.txt
- %User Temp%\WWWNAV~1.COM
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