SWF_EXPLOIT.MJSO
HEUR:Exploit.SWF.CVE-2014-0515.gen (Kaspersky), Blooudhound.Flash.24 (Symantec)
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
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 hosted on a website and run when a user accesses the said website.
It does not have any propagation routine.
It does not have any backdoor routine.
As of this writing, the said sites are inaccessible.
It does not have any information-stealing capability.
TECHNICAL DETAILS
3,865 bytes
SWF
28 May 2014
Downloads files
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 hosted on a website and run when a user accesses the said website.
Propagation
This Trojan does not have any propagation routine.
Backdoor Routine
This Trojan does not have any backdoor routine.
Download Routine
This Trojan takes advantage of the following software vulnerabilities to download possibly malicious files:
- CVE-2014-0515
After successfully exploiting the said vulnerability, this malware connects to the following URLs to possibly download other malicious files:
- http://{BLOCKED}.{BLOCKED}.35.42/ad/jp.gif
It saves the files it downloads using the following names:
- %User Temp%\img01.exe
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)
As of this writing, the said sites are inaccessible.
Information Theft
This Trojan does not have any information-stealing capability.
NOTES:
It does not have rootkit capabilities.
SOLUTION
9.700
10.824.02
28 May 2014
10.825.00
29 May 2014
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
Close all opened browser windows
Step 3
Search and delete these files
- %User Temp%\img01.exe
Step 4
Scan your computer with your Trend Micro product to delete files detected as SWF_EXPLOIT.MJSO. 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.
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.
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