TROJ_FAVIEX.B
Windows
Threat Type: Trojan
Destructiveness: No
Encrypted: Yes
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 dropped by other malware.
It deletes itself after execution.
TECHNICAL DETAILS
241,664 bytes
EXE
Yes
23 May 2017
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 dropped by the following malware:
- JS_FAVIEX.B
Installation
This Trojan drops the following files:
- {malware path}\{random filename}.bat
Other Details
This Trojan deletes itself after execution.
SOLUTION
9.850
13.424.06
23 May 2017
13.425.00
24 May 2017
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
Search and delete this file
- {malware path}\{random filename}.bat
Step 4
Scan your computer with your Trend Micro product to delete files detected as TROJ_FAVIEX.B. 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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