Internet threat level: 1
Home→Descriptions→Trojan-Downloader.Java.OpenConnection.df
Trojan-Downloader.Java.OpenConnection.df
| Detected | Feb 14 2011 12:39 GMT |
| Released | Feb 14 2011 17:40 GMT |
| Published | Mar 25 2011 09:44 GMT |
Payload
Removal instructions
Technical Details
This Trojan downloads files from the Internet without the user's knowledge. It is a Java class file. It is 2555 bytes in size.
Payload
The Trojan code contains a "Ump_45" class file, which downloads a file from the Internet from a link sent to it. The downloaded file is saved in the current user's temporary files directory as
%Temp%\<rnd>.exewhere
Removal instructions
If your computer does not have antivirus protection and has been infected by this malicious program, follow the instructions below to delete it:
- Delete the following file:
%Temp%\
.exe - Empty the Temporary Internet Files directory, which may contain infected files (see How to delete infected files from Temporary Internet Files folder?).
%Temporary Internet Files%
- Perform a full scan of the computer using Kaspersky Anti-Virus with up-to-date antivirus databases (download a trial version).
MD5: C593C969DA11D619EBC4583180322BBB
SHA1: 5C08B8C024908F737D158ACED3081E4FCAA50246
Programs classified as Trojan-Downloader download and install new versions of malicious programs, including Trojans and AdWare, on victim computers. Once downloaded from the Internet, the programs are launched or included on a list of programs which will run automatically when the operating system boots up.
Information about the names and locations of the programs which are downloaded are in the Trojan code, or are downloaded by the Trojan from an Internet resource (usually a web page).
This type of malicious program is frequently used in the initial infection of visitors to websites which contain exploits.
Trojan-Downloader.
- Troj/JavaBz-P (Sophos)
- Exploit:
Java/CVE-2010-0840. BE (MS(OneCare)) - Exploit.
Java. 185 (DrWeb) - Java/TrojanDownloader.
OpenStream. NBF trojan (Nod32) - Java:
OpenConnection-T [Trj] (AVAST) - Exploit.
Java. CVE-2010-0840 (Ikarus) - Downloader (NAV)
- NseCheckFile2() returned 0x00010018 (Norman)
- JAVA_DLDR.
QE (TrendMicro)
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