Duku

Posted: November 28, 2011

Threat Metric

The Threat Meter is a malware assessment that SpywareRemove.com's research team is able to give every identifiable malware threat. Our Threat Meter includes several criteria based off of specific malware threats to value their severity, reach and volume. The Threat Meter is able to give you a numerical breakdown of each threat's initial Threat Level, Detection Count, Volume Count, Trend Path and Percentage Impact. The overall ranking of each threat in the Threat Meter is a basic breakdown of how all threats are ranked within our own extensive malware database. The scoring for each specific malware threat can be easily compared to other emerging threats to draw a contrast in its particular severity. The Threat Meter is a useful tool in the endeavor of seeking a solution to remove a threat or pursue additional analytical research for all types of computer users.

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:	8/10
Infected PCs:	36

First Seen:	November 28, 2011
Last Seen:	November 15, 2020
OS(es) Affected:	Windows

Duku is a backdoor Trojan that uses advanced techniques to steal various forms of information from an infected PC and then transmit that information to external servers. Because Duku shares most of its code and structure with previously-observed Trojans that specialize in attacking very specific industrial targets, a normal PC is unlikely to be harmed by Duku – however, SpywareRemove.com malware experts still recommend that you remove Duku if you find Duku on your PC, since variants of Duku may be geared towards attacking casual computer-users. Like other backdoor Trojans, Duku will show minimal symptoms of being on your PC, and since its propagation method hasn't yet been analyzed, it's recommended that you trust potent and up-to-date anti-malware programs to find and remove Duku infections.

Duku – Close Kin to an Industrial Saboteur

Duku is based on the remarkable Stuxnet Trojan, a backdoor Trojan that was built to sabotage industrial computers that are in use for Iranian nuclear production. Although Duku does share many features in common with Stuxnet such as a timer for self-deactivation, Duku also lacks other functions like Stuxnet's industrial-targeting SCADA (or Supervisory Control and Aata Acquisition) payload. As a RAT or remote access Trojan, Duku can, however, be used to take over an infected PC, and may also steal information such as keyboard input or cached data (including passwords and user login info).

Although Duku is designed to remove itself after thirty-six days, SpywareRemove.com malware researchers don't recommend waiting that long. Instead, you should remove Duku with a good anti-malware program if you do find Duku on your PC. Duku's propagation method hasn't yet been identified, but staying away from malicious sites and suspicious files with wide distribution can help to protect your PC from possible Duku infection vectors.

Building Up a Defense That Even Duku Can't Tear Down

You should refrain from trusting digital certificates for a suspected Duku infection, since SpywareRemove.com malware research team has found Duku infections that use non-revoked digital signatures, although these certificates will, hopefully, be revoked in the future. Since the dropper component of a Duku infection hasn't yet been analyzed, you should practice basic anti-malware safety techniques such as being cautious with network-shared files to prevent your PC from infecting other computers with Duku. Duku's ancestor Stuxnet has also been observed making use of removable drive devices for infecting new targets, and you may wish to exercise particular care about sharing such devices, once they've been in contact with a Duku-infected PC.

Even though Duku is based on a very niche-oriented Stuxnet Trojan, Duku's own capabilities have the potential for broader application than Stuxnet's, and it's recommended that you take steps to protect your personal information after any Duku infection. After removing Duku with a suitable anti-malware program, for example, you may wish to change passwords for all relevant accounts to prevent Duku-affiliated hackers from hijacking your accounts.

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Duku

Threat Metric

Duku – Close Kin to an Industrial Saboteur

Building Up a Defense That Even Duku Can't Tear Down

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