Trojan:Win32/Sefnit.AS
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: | 50 % (Medium) |
| Infected Computers: | 18 |
| First Seen: | November 1, 2013 |
| Last Seen: | May 22, 2023 |
| OS(es) Affected: | Windows |
Trojan:Win32/Sefnit.AS is a Trojan that is used to carry out click fraud and a variety of other online fraud. Trojan:Win32/Sefnit.AS and its variants are usually installed through the use of other threats or Potentially Unwanted Programs (PUPs). Security analysts have also observed that Trojan:Win32/Sefnit.AS may be installed using social engineering techniques, such as tricking inexperienced computer users into installing bogus updates or security software. Trojan:Win32/Sefnit.AS may be bundled with other software. When installing freeware or shareware from an unreliable source, Trojan:Win32/Sefnit.AS may be installed silently without the affected computer user's knowledge.
Trojan:Win32/Sefnit.AS Installation and Infection Process
Trojan:Win32/Sefnit.AS may install its executable file in the Windows system folder. Trojan:Win32/Sefnit.AS' executable files may use a variety of names and, in certain cases, may be DLLs rather than EXE files. Once the Trojan:Win32/Sefnit.AS executable file has been dropped, Trojan:Win32/Sefnit.AS registers itself as a service in the Windows Registry. Trojan:Win32/Sefnit.AS may take a variety of names in the Windows Registry, including the following:
– Network connection monitor
– Windows Internet Name Service
– Windows Network Connection Service
– Bluetooth LE Services Control Protocol
It is important to note that the above service names may correspond to actual legitimate Windows services as well. As part of its modifications to the Windows Registry, Trojan:Win32/Sefnit.AS may create a scheduled task that ensures that Trojan:Win32/Sefnit.AS runs automatically as soon as the computer user starts up Windows.
How Trojan:Win32/Sefnit.AS is Used to Profit at the Expense of Computer Users
Trojan:Win32/Sefnit.AS may be used to carry out click fraud. Essentially, criminals may use Trojan:Win32/Sefnit.AS to turn the affected computer into a proxy. This is then used to click on advertisements, making it appear as if different computers are clicking on the advertisements from different locations. When thousands of computers infected with Trojan:Win32/Sefnit.AS do this repeatedly, this allows criminals to generate impressive illegal revenue at the expense of computer users. The proxy service that may be used in this case is 3proxy, a freeware proxy application that has legitimate uses. Trojan:Win32/Sefnit.AS' click fraud occurs in the background, meaning that computer users may not even be aware that it is occurring. However, threats associated with Trojan:Win32/Sefnit.AS may cause system performance issues and Trojan:Win32/Sefnit.AS itself may have a negative effect on your computer's Internet connectivity.
Submit Comment
Please DO NOT use this comment system for support or billing questions. For SpyHunter technical support requests, please contact our technical support team directly by opening a customer support ticket via your SpyHunter. For billing issues, please refer to our "Billing Questions or Problems?" page. For general inquiries (complaints, legal, press, marketing, copyright), visit our "Inquiries and Feedback" page.