TROJ_ZLOB.BVP
Windows 2000, Windows XP, Windows Server 2003
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan may arrive bundled with malware packages as a malware component. It 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
Arrival Details
This Trojan may arrive bundled with malware packages as a malware component.
It 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 drops the following component file(s):
- {malware path}\pmmnt.exe
- {malware path}\issearch.exe
- %System%\{random file name}.dll
(Note: %System% is the Windows system folder, which is usually C:\Windows\System32.)
Autostart Technique
This Trojan adds the following registry entries to enable its automatic execution at every system startup:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Policies\
Explorer\Run
rare = "{malware path}\{malware file name}.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Policies\
Explorer\Run
issearch = "{malware path}\issearch.exe"
It adds the following registry keys to install itself as a Browser Helper Object (BHO):
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{Random CLSID}
Other System Modifications
This Trojan adds the following registry entries as part of its installation routine:
HKEY_CLASSES_ROOT\CLSID\{Random CLSID}
(Default) = "%System%\{random file name}.dll"
NOTES:
Once successfully installed on the system, it may connect to the following websites to download other possibly malicious files:
- http://www.{BLOCKED}omepages.com
- http://www.{BLOCKED}safetytool.com
- http://www.{BLOCKED}datepage.com
As a result, routines of the downloaded files may also be exhibited on the affected system.