JS/Banker.BA
Posted: August 14, 2015
Threat Metric
The following fields listed on the Threat Meter containing a specific value, are explained in detail below:
Threat Level: The threat level scale goes from 1 to 10 where 10 is the highest level of severity and 1 is the lowest level of severity. Each specific level is relative to the threat's consistent assessed behaviors collected from SpyHunter's risk assessment model.
Detection Count: The collective number of confirmed and suspected cases of a particular malware threat. The detection count is calculated from infected PCs retrieved from diagnostic and scan log reports generated by SpyHunter.
Volume Count: Similar to the detection count, the Volume Count is specifically based on the number of confirmed and suspected threats infecting systems on a daily basis. High volume counts usually represent a popular threat but may or may not have infected a large number of systems. High detection count threats could lay dormant and have a low volume count. Criteria for Volume Count is relative to a daily detection count.
Trend Path: The Trend Path, utilizing an up arrow, down arrow or equal symbol, represents the level of recent movement of a particular threat. Up arrows represent an increase, down arrows represent a decline and the equal symbol represent no change to a threat's recent movement.
% Impact (Last 7 Days): This demonstrates a 7-day period change in the frequency of a malware threat infecting PCs. The percentage impact correlates directly to the current Trend Path to determine a rise or decline in the percentage.
Threat Level: | 9/10 |
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Infected PCs: | 148 |
First Seen: | August 14, 2015 |
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Last Seen: | October 5, 2022 |
OS(es) Affected: | Windows |
JS/Banker.BA is a browser-based threat that collects login information associated with your bank accounts. Most JS/Banker.BA attacks trigger when Web surfers access their account directly from the associated bank domain, which JS/Banker.BA may modify during the Web page's loading time. Because banking Trojans like JS/Banker.BA normally are high-level threats with other attack features, malware experts strongly advise deleting JS/Banker.BA immediately with anti-malware products, which you should follow with scanning your computer for any additional security problems.
The Discreet Thief in Your Browser
JS/Banker.BA is a Trojan based on a JavaScript family that uses that platform to modify and intercept your Web-browsing data. Because the scripts used by JS/Banker.BA are variable, you may or may not see any visible anomalies in your browser that could be assumed to be symptoms of a Trojan attack. Malware researchers have failed to find any notable changes in system performance or Web-surfing quality of life during standard JS/Banker.BA attacks. Like most Trojans utilizing such methods, JS/Banker.BA collects bank account credentials, with the eventual goal of enabling fraudulent cash transfers to its illicit admins.
While JS/Banker.BA's methods are unremarkable (JS:Banker-IC is one example of a much older but very similar threat), malware experts saw notable surges in its campaign for mid-August of 2015. Most victims experienced no symptoms other than warnings from their installed anti-malware tools, which proactively detected JS/Banker.BA before any additional attacks could occur. In addition to intercepting passwords and usernames, JS/Banker.BA also could, theoretically, inject fraudulent security questions that would allow JS/Banker.BA to gather other information.
Malware researchers verified JS/Banker.BA's full compatibility with the Chrome browser, although other Web browsers also may highly likely to be at risk. JS/Banker.BA's current campaigns target English-speaking PC users, in a noteworthy differentiation from a range of previous banking Trojan campaigns, which often preferred Brazil-based bank accounts.
Taking the Danger out of Logging into Your Bank's Site
Banking Trojans, including JS/Banker.BA, focus on collecting your information without showing many signs that could be assumed to be the side effects of a threat infection. Without security software capable of detecting browser-based threats, JS/Banker.BA may be able to collect passwords and some additional information without any symptoms. JS/Banker.BA may conceal its components in a sub-folder of your browser's cache folders that may be disguised as a temporary file but also may be in other locations.
Malware researchers have seen JS/Banker.BA being reinstalled by additional threats after some attempted removals. Deleting JS/Banker.BA should use both anti-malware products and all appropriate security protocols, such as restarting in Safe Mode, to guarantee a full uninstall routine. JS/Banker.BA does not have any confirmed capabilities for self-distribution. As a result, its presence on your PC typically may be caused by other threats, such as Trojan droppers, that may or may not remove themselves after installing JS/Banker.BA.
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