JAVA_EXPL.FK
Trojan.Maljava (Symantec), Troj/Java-LY( Sophos)
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 downloaded by other malware/grayware from remote sites. It arrives as a component bundled with malware/grayware packages. It may be hosted on a website and run when a user accesses the said website.
It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.
TECHNICAL DETAILS
Arrival Details
This Trojan may be downloaded by the following malware/grayware from remote sites:
- http://{BLOCKED}.{BLOCKED}.63.121/jeanfage/test.jar
It arrives as a component bundled with malware/grayware packages.
It may be hosted on a website and run when a user accesses the said website.
Download Routine
This Trojan saves the files it downloads using the following names:
- %User Temp%\{random file name}.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.)
It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.
It downloads a possibly malicious file from a certain URL. The URL where this malware downloads the said file depends on the following parameter(s) passed on to it by its components:
- a