Troj/ExpJS-IV
Threat Scorecard
EnigmaSoft Threat Scorecard
EnigmaSoft Threat Scorecards are assessment reports for different malware threats which have been collected and analyzed by our research team. EnigmaSoft Threat Scorecards evaluate and rank threats using several metrics including real-world and potential risk factors, trends, frequency, prevalence, and persistence. EnigmaSoft Threat Scorecards are updated regularly based on our research data and metrics and are useful for a wide range of computer users, from end users seeking solutions to remove malware from their systems to security experts analyzing threats.
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Ranking: The ranking of a particular threat in EnigmaSoft’s Threat Database.
Severity Level: The determined severity level of an object, represented numerically, based on our risk modeling process and research, as explained in our Threat Assessment Criteria.
Infected Computers: The number of confirmed and suspected cases of a particular threat detected on infected computers as reported by SpyHunter.
See also Threat Assessment Criteria.
| Threat Level: | 90 % (High) |
| Infected Computers: | 34 |
| First Seen: | May 8, 2013 |
| Last Seen: | November 25, 2020 |
| OS(es) Affected: | Windows |
Troj/ExpJS-IV is a Trojan that propagates via a hijacked website of US Department of Labor. A subdomain of the main website of the Department, running off a separate server, what's known colloquially as a microsite, was modified to carry a security threat, namely Troj/ExpJS-IV. Troj/ExpJS-IV uses a malevolent Java script file that encompasses what are known as anti-anti-virus techniques. This means that the cybercriminal actively aims at bypassing detection by interfering with the operation of one or more of the anti-virus programs the PC user may be running. The malevolent Java script, recognized as Troj/ExpJS-IV, even strives to connect to the local web console to reconfigure the product on in the name of the computer owner.
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