EXPL_JCLASS.ASM
Exploit:Java/Midseq.A (Microsoft); Exploit.Java.CVE-2010-0842.g (Kaspersky); Mal/JavaMid-E (Sophos)
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Trojan takes advantage of certain vulnerabilities.
TECHNICAL DETAILS
2,220 bytes
Java Class
Yes
28 Mar 2011
Other Details
This Trojan takes advantage of the following vulnerabilities:
NOTES:
It is a component of a malicious Java archive file (.JAR). Once it successfully exploits the said vulnerability, it may execute arbitrary codes. However, it requires other components in order to run properly.
SOLUTION
8.900
7.935.00
28 Mar 2011
Step 1
For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.
Step 2
Scan your computer with your Trend Micro product to delete files detected as EXPL_JCLASS.ASM. 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 3
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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