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Malware researcher reverse engineered a threat that went undetected for at least 2 years

Security Affairs

During the analysis time, only really few Antivirus (6 out of 60) were able to “detect” the sample. In this stage the JavaScript is loading an encrypted content from the original JAR, using a KEY decrypts such a content and finally loads it (Dynamic Class Loader) on memory in order to fire it up as a new Java code.