TSPY_ZBOT.PZT
PWS-Zbot-FARP!191FDC32304C (McAfee); Trojan horse Generic32.ADVW (AVG)
Windows 2000, Windows XP, Windows Server 2003
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.
TECHNICAL DETAILS
1,435,142 bytes
EXE
No
07 Apr 2013
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 adds the following registry entries:
HKEY_CURRENT_USER\Software\Microsoft
244 = "{random characters}"
HKEY_CURRENT_USER\Software\Microsoft
1980 = "{random characters}"
HKEY_CURRENT_USER\Software\Microsoft
1920 = "{random characters}"
Dropping Routine
This spyware drops the following files:
- %User Profile%\Application Data\xxx.html
(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)
This report is generated via an automated analysis system.
SOLUTION
9.300
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
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_CURRENT_USER\Software\Microsoft
- 244 = "{random characters}"
- In HKEY_CURRENT_USER\Software\Microsoft
- 1980 = "{random characters}"
- In HKEY_CURRENT_USER\Software\Microsoft
- 1920 = "{random characters}"
Step 3
Search and delete this file
- %User Profile%\Application Data\xxx.html
Step 4
Scan your computer with your Trend Micro product to delete files detected as TSPY_ZBOT.PZT. 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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