PERL_SIMPLESHELL.A
Windows
Threat Type: Backdoor
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Dropped by other malware
This backdoor may be dropped by other malware.
TECHNICAL DETAILS
1,205 bytes
Other
No
10 Mar 2016
Arrival Details
This backdoor may be dropped by the following malware:
- PHP_SIMPLESHELL.G
Other Details
This backdoor does the following:
- Execute arbitrary shell commands from a remote user
- Once this PERL script is installed, the remote user may then launch a backdoor on the affected system. Opening the page, the malicious user is shown the following user interface:
SOLUTION
9.800
12.416.01
20 Mar 2016
12.417.00
21 Mar 2016
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
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
Remove the malware/grayware file that dropped/downloaded PERL_SIMPLESHELL.A. (Note: Please skip this step if the threat(s) listed below have already been removed.)
Step 4
Scan your computer with your Trend Micro product to delete files detected as PERL_SIMPLESHELL.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 this Knowledge Base page for more information.
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