TROJ_MEDFOS.JET
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It executes then deletes itself afterward.
However, as of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
Arrival Details
This Trojan 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 executes then deletes itself afterward.
Download Routine
This Trojan connects to the following URL(s) to download its component file(s):
- http://{BLOCKED}.{BLOCKED}.131.151/uploading/id=1083240497&u=4WacvjA+sJYdYDnGmxr7tWGncoZ5nmBoGHuGzBOLacviRtjYIg2xcqQMAWYaZM4RqxalcusDRHEPWj3teOn0xQ==
Other Details
This Trojan connects to the following possibly malicious URL:
- http://{BLOCKED}5.{BLOCKED}ostingdata.com
However, as of this writing, the said sites are inaccessible.
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
Scan your computer with your Trend Micro product to delete files detected as TROJ_MEDFOS.JET. 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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