Trojan.maljava!gen3

Trojan.maljava!gen3 is a generic term to refer to most malware in the Maljava family. These Trojans are comprised of Java exploits that allow criminals to gain unauthorized access to the victim's computer. The Trojan.maljava!gen3 Trojan in particular has been mainly active in the last week of April of 2012. It is designed to infect computer systems with the Windows operating system, in particular Windows XP and Windows Vista. Although Windows 7 may also be vulnerable, ESG security researchers have observed that it is significantly more unlikely for Trojan.maljava!gen3 to infect a computer with the Windows 7 operating system.

An Overview of Trojan.maljava!gen3 and other Threats in the Maljava Family

Trojan.maljava!gen3 is composed of various JavaScript files designed to take advantage of vulnerabilities in the Java Runtime Environment. ESG security researchers consider that Trojan.maljava!gen3's files are malicious and pose a significant threat to your computer system's security. They are created to take advantage of the following vulnerabilities in Java:

Sun Java Runtime Environment and Java Development Kit Multiple Security Vulnerabilities (BID 32608)
Sun Java SE November 2009 Multiple Security Vulnerabilities (BID 36881)
Oracle Java Runtime Environment 'HsbParser.getSoundBank()' Remote Heap Buffer Overflow Vulnerability (BID 39559)

By taking advantage of the exploits mentioned above, Trojan.maljava!gen3 can install files on the victim's computer system without that computer user's authorization. Trojan.maljava!gen3 is often classified as a dropper Trojan, as Trojan.maljava!gen3 takes advantage of exploits in the Java Runtime environment to 'drop' other malware threats. These are often backdoor Trojans that allow a criminal to obtain unauthorized access to the infected computer system, installing additional threats designed to steal data or to gain access to the victim's online accounts.

Preventing a Trojan.maljava!gen3 Trojan Attack

Like with most malware infections, the best policy to avoid a Trojan.maljava!gen3 Trojan attack is browsing the web safely. Via a combination of using a reliable anti-malware program and avoiding unsafe websites and file downloads, most computer users can avoid a Trojan.maljava!gen3 Trojan infection. Since Trojan.maljava!gen3 uses Java-based exploits to attack the victim's computer system, ESG Security researchers strongly advise disabling the Java Runtime Environment unless it is necessary. This can also help prevent numerous other malware infections involving malicious JavaScript files. As an additional precaution, it is important to keep Java updated. The exploits that Trojan.maljava!gen3 Trojan uses have often been patched in security updates. In fact, updating Java is one of the best measure you can do to protect your PC from Trojan.maljava!gen3 attack.

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