Trojan:JS/BlacoleRef.CL
Posted: December 7, 2012
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 |
|---|---|
| Infected PCs: | 40 |
| First Seen: | December 7, 2012 |
|---|---|
| OS(es) Affected: | Windows |
Trojan:JS/BlacoleRef.CL is a JavaScript Trojan that is often inserted into hijacked websites. Computer users get infected with Trojan:JS/BlacoleRef.CL when visiting a hacked website. Trojan:JS/BlacoleRef.CL is created to load a hidden IFrame that loads behind the affected PC user's web browser, rerouting it to an exploit server known as 'Blackhole'. A vulnerable website may enable an attacker to successfully embed a client-side script, which then runs when a PC user visits the attacked website. Trojan:JS/BlacoleRef.CL loads a hidden IFrame that references a malicious host, which exploits numerous known vulnerabilities in the Internet browser. The malicious host reference included within the covered JavaScript can vary, as the attacker usually controls it and may whenever modify it. Trojan:JS/BlacoleRef.CL's payload may differ, based on what the reference host delivers at the time of hijack. The combination of disguised JavaScript within a covered IFrame referencing a malicious host, and the malicious host itself, which is responsible for dynamically generated content attempting to exploit various vulnerabilities on the victim's computer are controlled and could be modified by an attacker at any time. This enables it to be highly adaptable to the needs of the attacker.
Technical Details
File System Modifications
Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.
The following files were created in the system:ekb-meshiti_kz_2013-03-06_16-51-59.zip
File name: ekb-meshiti_kz_2013-03-06_16-51-59.zipSize: 71.83 KB (71836 bytes)
MD5: 358e911fdbe4aa00f11b91b5dd31ffe2
Detection count: 17
Mime Type: unknown/zip
Group: Malware file
Last Updated: March 6, 2013
21a699cc18316d1c7204a82798db60ea
File name: 21a699cc18316d1c7204a82798db60eaSize: 71.83 KB (71830 bytes)
MD5: 21a699cc18316d1c7204a82798db60ea
Detection count: 16
Group: Malware file
Last Updated: March 6, 2013
ekb-meshiti_kz_2013-03-06_17-06-21.zip
File name: ekb-meshiti_kz_2013-03-06_17-06-21.zipSize: 71.61 KB (71619 bytes)
MD5: 3754755ed333003e3207dc4353264a7a
Detection count: 15
Mime Type: unknown/zip
Group: Malware file
Last Updated: March 6, 2013
88e5fa21973d8b70cc793f0f3c2f811b
File name: 88e5fa21973d8b70cc793f0f3c2f811bSize: 71.64 KB (71647 bytes)
MD5: 88e5fa21973d8b70cc793f0f3c2f811b
Detection count: 14
Group: Malware file
Last Updated: March 6, 2013
ekb-meshiti_kz_2013-03-06_17-13-00.zip
File name: ekb-meshiti_kz_2013-03-06_17-13-00.zipSize: 71.62 KB (71628 bytes)
MD5: 06cd96818e908dbf7ea1de5bb5f994ec
Detection count: 10
Mime Type: unknown/zip
Group: Malware file
Last Updated: March 6, 2013
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