BKDR_DLDR.A
Posted: November 29, 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: | 2/10 |
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Infected PCs: | 49 |
First Seen: | November 29, 2012 |
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OS(es) Affected: | Windows |
BKDR_DLDR.A is a backdoor Trojan that is included in a spam malware campaign related to Hurricane Sandy. The specific attack which is used to spread TROJ_ARTIEF.SDY to victimized computers affects NATO's Special Operations Headquarters (NSHQ). The unsolicited email has the subject 'Did Global Warming Contribute to Hurricane Sandy's Devastation' and carries a .DOC file with the same title. Cybercriminals behind this scam seem to have used the title of a recent New York Times blog post about Hurricane Sandy. The infectious file attachment, found as TROJ_ARTIEF.SDY, exploits the RTF Stack Buffer Overflow Vulnerability (CVE-2010-3333) which was addressed by Microsoft in November 2010 in MS10-087 to drop the backdoor BKDR_DLDR.A. BKDR_DLDR.A connects to its command-and-control (C&C) server to send and receive commands from remote attackers. Some of the commands that BKDR_DLDR.A can execute involve downloading, copying, modifying, creating files and folders, stealing file information, and acquiring time zone information among others. BKDR_DLDR.A is an Enfal/Lurid variant.
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