silversurfer

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After analyzing several previously unknown malicious files that were detected earlier this month, Kaspersky Lab determined the files were a new version of a data stealer known as the AZORult Trojan. Because the files are written in C++, and not Delphi, researchers have dubbed the variant AZORult++.

According to researchers, this latest version is potentially more dangerous than earlier variants. In addition to amassing data – including credentials, browser history and cookies – and distributing it to command-and-control (C&C) servers, AZORult++ can also establish a remote desktop connection by creating a new user account and discreetly adding it to the administrators’ group.

The data stealer is reportedly used most often to target victims in Russia and India, according to analysis. “AZORult++ starts out by checking the language ID through a call to the GetUserDefaultLangID() function. If AZORult++ is running on a system where the language is identified as Russian, Armenian, Azerbaijani, Belarusian, Georgian, Kazakh, Tajik, Turkmen, or Uzbek, the malware stops executing,” wrote Alexander Eremin.

AZORult++ does not have loader functionality or support for stealing saved passwords. Though the C++ version has been deemed deficient when compared to its predecessors, it does have some of the same signatures recognized in the Delphi-based version.