Trojan.X97M.CVE201711882.PVSFS
Exploit-CVE2017-11882.cf (McAfee); HEUR:Exploit.MSOffice.Generic (Kaspersky); Exp/20180802-B (Sophos)
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users. It 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 downloaded files whose malicious routines are exhibited by the affected system.
However, as of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
Arrival Details
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.
It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Download Routine
This Trojan downloads the file from the following URL and renames the file when stored in the affected system:
- http://{BLOCKED}rtugal.com/dam.exe
It takes advantage of the following software vulnerabilities to download possibly malicious files:
It executes downloaded files :
- C:\Users\Public\vbc.exe
Other Details
This Trojan does the following:
- The document contains either of the following message details luring users to enable macro content:
However, 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
Search and delete these files
- %Public%\vbc.exe
Step 4
Scan your computer with your Trend Micro product to delete files detected as Trojan.X97M.CVE201711882.PVSFS. 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:
Step 5
Download and apply this security patch Refrain from using these products until the appropriate patches have been installed. Trend Micro advises users to download critical patches upon release by vendors. CVE-2017-11882 | Microsoft Office Memory Corruption Vulnerability
Did this description help? Tell us how we did.