Worm.Nachi.A
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: | 90 % (High) |
| Infected Computers: | 4 |
| First Seen: | July 24, 2009 |
| Last Seen: | January 20, 2022 |
| OS(es) Affected: | Windows |
Worm.Nachi.A is a computer worm that may install potentially unwanted programs onto a compromised PC. Worm.Nachi.A is able to enter a computer by exploiting known Windows system vulnerabilities. Once inside a system, Worm.Nachi.A will terminate and delete certain processes and then install additional programs onto the system. Worm.Nachi.A may delete itself on a predefined date; however users can avoid or remove Worm.Nachi.A from their systems by keeping their security software and patches up to date.
Aliases
15 security vendors flagged this file as malicious.
| Anti-Virus Software | Detection |
|---|---|
| TrendMicro | WORM_NACHI.H |
| Symantec | W32.Welchia.Worm |
| Sunbelt | Worm.Win32.Nachi.gen (v) |
| Sophos | W32/Nachi-A |
| Prevx1 | High Risk Worm |
| Microsoft | Worm:Win32/Nachi.A |
| McAfee-GW-Edition | Worm.Nachi.A.1 |
| McAfee | W32/Nachi.worm.a |
| K7AntiVirus | Net-Worm.Win32.Welchia.a |
| Ikarus | Net-Worm.Win32.Welchia |
| Fortinet | W32/Nachi.A!worm |
| F-Secure | Net-Worm:W32/Welchia.A |
| eTrust-Vet | Win32/Nachi.A |
| DrWeb | Win32.HLLW.LoveSan.2 |
| Comodo | Worm.Win32.Nachi.A |
