TrojanSpy.Win32.GOZI.AB
Windows
Threat Type: Trojan Spy
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Trojan Spy arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It accesses websites to download files. This action allows this malware to possibly add other malware on the affected computer. As of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
Arrival Details
This Trojan Spy 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 Spy adds the following processes:
- iexplore.exe
It injects codes into the following process(es):
- iexplore.exe
Download Routine
This Trojan Spy accesses websites to download the following files:
- http://{BLOCKED}nii.com/images/{random string}.avi
- http://{BLOCKED}nii.com/favicon.ico
- http://{BLOCKED}rry.com/images/{random string}.avi
- http://{BLOCKED}rry.com/favicon.ico
- http://{BLOCKED}ioh.com/images/{random string}.avi
- http://{BLOCKED}ioh.com/favicon.ico
As of this writing, the said sites are inaccessible.
SOLUTION
Step 1
Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 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
Terminate this process using Process Explorer
Step 4
Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.Win32.GOZI.AB. 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 the following Trend Micro Support pages for more information:
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