BLYPT

By ESGI Advisor in Malware

Threat Scorecard

Threat Level: 20 % (Normal)
Infected Computers: 23
First Seen: September 24, 2013
Last Seen: April 25, 2023
OS(es) Affected: Windows

BLYPT is a Trojan that belongs to a newly-discovered family of backdoor Trojans. The BLYPT family is composed of extremely damaging backdoor Trojans that are particularly difficult to detect and remove. BLYPT attacks are mainly located in the United States, although computer users have reported BLYPT attacks in various other parts of the world. A backdoor Trojan, like BLYPT, is designed to allow a third party to gain unauthorized access to the infected computer. Much like an unguarded backdoor can allow a criminal to enter a building while avoiding detection, a virtual backdoor can allow criminals to gain unauthorized access to the user's computer from a remote location. Backdoor Trojans like BLYPT may be used by criminals to steal private information, spy on the infected computer's activities and install other threats on the user's computer. Typical threats associated with BLYPT infections include spy Trojans, rogue security software, ransomware, bot Trojans and a variety of other types of threats.

BLYPT Exploits Vulnerabilities on the Java Runtime Environment

The BLYPT family of Trojans are delivered using compromised websites that exploit vulnerabilities in the Java Runtime Environment. Typically, the process begins with a compromised although legitimate website. Criminals may gain unauthorized access to a website by taking advantage of outdated software or poor password protection. Once the website is compromised, criminals can then insert unreliable Java scripts on it. These take advantage of the Java vulnerability CVE-2013-1493, which has already been patched. Since the initial BLYPT infection takes advantage of a Java vulnerability that has already been patched, one of the best ways to protect your computer from BLYPT is ensuring that Java and all of your software are fully up to date.

When computer users visit the compromised website, this vulnerability is used to install BLYPT on the user's computer. Once BLYPT is installed, BLYPT installs a backdoor on the user's computer that allows criminals to access the infected computer from a remote location. Using the exploit mentioned above, criminals may force the infected computer to download an installer. This installer downloads and installs BLYPT's files, named either logo32.png or logo64.png, depending on the infected computer's operating system. BLYPT's command and control servers are mainly located in Romania, with about a fifth of them in Turkey and a few uncovered in the United States, Belize and China.

URLs

BLYPT may call the following URLs:

buffstream.stream

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