Backdoor.Sixer
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: | 60 % (Medium) |
| Infected Computers: | 5 |
| First Seen: | September 15, 2011 |
| Last Seen: | December 11, 2018 |
| OS(es) Affected: | Windows |
Backdoor.Sixer is a Backdoor-Trojan that is crafted to allow its operators to connect to a remote computer through a backdoor that is not likely to trigger alarms. The Sixer Backdoor-Trojan is comparable to Sisbot and Andromeda, and its versions may be detected as Backdoor.Win32.Sixer, BackDoor-AQA!5B17F57894DF, Win32:Sixer [Trj] and W32.HLLW.Yoof. The Backdoor.Sixer malware may be attached to spam emails and appear as a PDF file, which has a long name that prevents the user from noticing the EXE file extension at the end. The physical body of the Sixer Backdoor-Trojan consists of two files that may be dropped into the Temp folder and registered as system drivers to evade runtime scanners. The Backdoor.Sixer malware is designed to extract its code from a database in a PIF file format that is similar to DLL libraries. The main executable of the Backdoor.Sixer malware is likely to feature the name winxcfg.exe and load several PIF files into the memory of the infected machine.
Malware researchers note that the Sixer Backdoor-Trojan can run on 32-bit and 64-bit system architectures and may be compatible with the latest versions of Windows. The corrupted PIF files used by the Backdoor.Sixer malware may be signed with a legitimate digital signature and be indistinguishable from the regular PIF files that Windows uses to store data. The Backdoor.Sixer malware may allow its operator to install other threats and facilitate Bitcoin mining on the infected computer. The Sixer Backdoor-Trojan may be used to deploy threats like the JS.Crypto Ransomware and the '.surprise File Extension' cryptomalware. You should engage in preemptive measures and install a trusted anti-malware shield that can block the Sixer Backdoor-Trojan and associated threats.
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