JS/Blacole.OU
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: | 90 % (High) |
| Infected Computers: | 4 |
| First Seen: | April 11, 2014 |
| Last Seen: | November 29, 2021 |
| OS(es) Affected: | Windows |
JS/Blacole.OU is one of the many threat components that belong to the Black Hole Exploit Kit. JS/Blacole.OU is a threatening JavaScript that forces PC users to visit corrupted websites where vulnerabilities on their computers are exploited. JS/Blacole.OU will typically attack a computer when the victim visits a compromised or infected website. Third parties use JS/Blacole.OU to compromise websites, inserting this threatening Java script without alerting the website's administrator. When computer users visit the affected website, JS/Blacole.OU runs automatically, initiating its attack on the victim's computer. There are countless variants of JS/Blacole.OU, most associated with similar exploit Web pages, and all using similar methods of attack. To prevent JS/Blacole.OU attacks, PC security researchers strongly advise computer users to avoid using Java unless necessary, to keep all software fully up-to-date, and to always use a strong security program to protect your computer at all times.
JS/Blacole.OU Looks for Vulnerabilities on Your PC to Install Other Threats
JS/Blacole.OU loads a hidden iFrame which leads the victim's Web browser to a compromised attack website. It is important to note that scripts associated with JS/Blacole.OU will detect the victim's Web browser settings and computer, determining information in order to direct the victim's Web browser to attack websites that exploit the victim's vulnerabilities. Exploit kits and attack websites associated with JS/Blacole.OU may attempt to install other threats on the victim's computer. JS/Blacole.OU and its variants are capable of exploiting dozens, if not hundreds of differently known vulnerabilities.
JS/Blacole.OU's code is obfuscated to make JS/Blacole.OU more difficult to detect. JS/Blacole.OU may be associated with exploit kits that take advantage of vulnerabilities in Java, Adobe software such as the Adobe Reader, and components in Windows and programs such as the Microsoft Office suite. Usually, the main purpose of exploits associated with JS/Blacole.OU is to install banking Trojans such as Zeus Trojan or Trojan downloaders that may try to download other threats onto the affected computer. If you suspect that JS/Blacole.OU had a chance of compromising your PC, it is important to safeguard your online accounts and disinfect your computer.
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