BKDR_ESILE.SMAR
Win32/Elsentric.C trojan (NOD32), W32/Elsentric.C!tr (FORTINET)
Windows
Threat Type: Backdoor
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It requires its main component to successfully perform its intended routine.
TECHNICAL DETAILS
Arrival Details
This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This backdoor drops the following files:
- {malware path}\{random file name}.dat
Other Details
This backdoor connects to the following possibly malicious URL:
- {BLOCKED}.{BLOCKED}.237.59/{random characters}/page_{random characters}.html
- www.{BLOCKED}hoahau.com/{random characters}/page_{random characters}.html
It requires its main component to successfully perform its intended routine.
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
Search and delete this file
- {malware path}\{random file name}.dat
Step 3
Scan your computer with your Trend Micro product to delete files detected as BKDR_ESILE.SMAR. 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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