TROJAN.PHP.WEBSHELL.AO
Windows, Linux, MacOS
Threat Type: Trojan
Destructiveness: No
Encrypted:
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 may be hosted on a website and run when a user accesses the said website.
It requires being executed with a specific argument/parameter, an additional component, or in a specific environment in order to proceed with its intended routine. This malicious script runs on web browsers, which may be installed on any operating system.
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.
It may be hosted on a website and run when a user accesses the said website.
Other Details
This Trojan requires being hosted on a web server in order to proceed with its intended routine.
It requires being executed with a specific argument/parameter, an additional component, or in a specific environment in order to proceed with its intended routine.
This malicious script runs on web browsers, which may be installed on any operating system.
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
Close all opened browser windows
Step 3
Scan your computer with your Trend Micro product to delete files detected as TROJAN.PHP.WEBSHELL.AO. 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:
NOTES:
For Linux and MacOS: Please skip the first step which is “Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.”
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