Backdoor.Win64.JAMCAG.A
Windows
Threat Type: Backdoor
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Backdoor 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 commands from a remote malicious user, effectively compromising the affected system.
TECHNICAL DETAILS
Arrival Details
This Backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Backdoor Routine
This Backdoor executes the following commands from a remote malicious user:
- UPFILE → It is used to upload files from the infected system to a remote server
- DOWNFILE → It is used to download files from a remote server
Other Details
This Backdoor does the following:
- It requires to be executed as a service.
- It establishes a service named 'CheckUpdateService' and connects it to the system's service manager, ensuring the malicious service runs in the background and performs its tasks.
- It creates a TCP socket and listens for incoming connections by binding it to the following port:
- 49834
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
Scan your computer with your Trend Micro product to delete files detected as Backdoor.Win64.JAMCAG.A. 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:
Did this description help? Tell us how we did.