JAVA_BYTEVER.NY
TrojanDownloader:Java/OpenConnection.AK(Microsoft),Java.Trojan.Exploit.Bytverify.(F-Secure),TR/Skurtle.3049(AntiVir)
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
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 is a component of other malware.
It requires its main component to successfully perform its intended routine.
TECHNICAL DETAILS
3,057 bytes
Java Class
07 Jul 2010
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.
Installation
This Trojan is a component of other malware.
Other Details
This Trojan requires its main component to successfully perform its intended routine.
NOTES:
This is the Trend Micro detection for malicious Java Class files used as a component by other malware. It has functions used by the main malware component in performing its malicious routines.
SOLUTION
9.300
7.290.02
07 Jul 2010
7.291.00
07 Jul 2010
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
Scan your computer with your Trend Micro product to delete files detected as JAVA_BYTEVER.NY. 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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