Mal/ExpJS-AV
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.
EnigmaSoft Threat Scorecards display a variety of useful information, including:
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: | 100 % (High) |
| Infected Computers: | 10 |
| First Seen: | November 25, 2012 |
| Last Seen: | April 25, 2021 |
| OS(es) Affected: | Windows |
Mal/ExpJS-AV is a Blackhole exploit JavaScript Trojan that proliferates via a spam email message posing as an invoice from Apple for a $699.99 postcard. The bogus Apple invoice email includes a web-link 'View/Download', which if clicked, downloads the file called 'download.jpg.exe', while the 'Cancel' and 'Not your order' web-links download the file called 'check.php'. If a PC user clicks on any of the web-links, he/she is rerouted to an unrelated website declaring to be the IRS and saying the PC user is not using a supported web browser. Once this web page is illustrated, in the common way of the Blackhole exploit kit, it aims at delivering exploits, found as Mal/ExpJS-AV, against Adobe Flash Player, Adobe Reader and Oracle Java. If any of these are successful, it takes over the targeted PC with the Zeus/ZBot Trojan. If any of these do not work, the image has links for downloading an 'up-to-date' version of these Internet browsers that simply downloads a file called 'update.exe'. If the computer user is exploited or downloads and runs the file his/her PC is corrupted by the Zeus/ZBot Trojan, which is produced to log keystrokes and hijack bank accounts.
File System Details
| # | File Name |
Detections
Detections: The number of confirmed and suspected cases of a particular threat detected on
infected computers as reported by SpyHunter.
|
|---|---|---|
| 1. | update.exe | |
| 2. | download.jpg.exe | |
| 3. | check.php |
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