JAVA_EXPLOYT.NEK
Exploit:Java/CVE-2012-1723(Microsoft),HEUR:Exploit.Java.CVE-2013-1493.gen(Kaspersky),EXP/CVE-2013-1493.TX(Antivir)
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan may be hosted on a website and run when a user accesses the said website.
It requires its main component to successfully perform its intended routine.
TECHNICAL DETAILS
Varies
JAR, Java Class
No
03 Jan 2014
Arrival Details
This Trojan may be hosted on a website and run when a user accesses the said website.
Installation
This Trojan drops and executes the following files:
- %User Temp%\1.exe
(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
Other Details
This Trojan requires its main component to successfully perform its intended routine.
SOLUTION
9.700
10.524.01
06 Jan 2014
10.525.00
07 Jan 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
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
Close all opened browser windows
Step 4
Search and delete this file
- %User Temp%\1.exe
Step 5
Scan your computer with your Trend Micro product to delete files detected as JAVA_EXPLOYT.NEK. 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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