TROJ_CVE20170199.A
Exploit:O97M/Blinky.B(Microsoft);MSWord/Dropper.1B62!exploit(Fortinet);Exploit-RTF.c(McAfee);HEUR:Exploit.MSOffice.Generic(Kaspersky);
Windows
Threat Type: Exploit
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This malware exploits a vulnerability found in Microsoft Office known as CVE-2017-0199. There are reports that exploits using the said vulnerability are in the wild. A security patch for the vulnerability is already out and available.
This Exploit 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.
As of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
Arrival Details
This Exploit 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 Exploit connects to the following website(s) to download and execute a malicious file:
- http://{BLOCKED}x90.com/template.doc
It takes advantage of the following software vulnerabilities to download possibly malicious files:
As of this writing, the said sites are inaccessible.
Other Details
This Exploit does the following:
- Upon opening the document, shows the following user prompt:
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_CVE20170199.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:
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