Adware.Pirrit.AC
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:
Popularity Rank: 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: | 20 % (Normal) |
| Infected Computers: | 44 |
| First Seen: | July 8, 2021 |
| Last Seen: | October 24, 2025 |
| OS(es) Affected: | Windows |
The detection of Adware.Pirrit.AC on your system indicates that your computer has been compromised by a potentially unwanted program. This type of software is designed to display unwanted advertisements, collect user data, and potentially install additional malicious programs. It is essential to take immediate action to remove Adware.Pirrit.AC and prevent further damage to your system and personal data.
Table of Contents
What Is Adware.Pirrit.AC?
Adware.Pirrit.AC is a type of adware program that is designed to display unwanted advertisements on infected computers. Adware programs like Adware.Pirrit.AC can be installed on a system through various means, including bundled software downloads, infected email attachments, and exploited vulnerabilities. Once installed, adware programs can collect user data, such as browsing history and search queries, and use this information to display targeted advertisements.
How Adware.Pirrit.AC Operates
Adware.Pirrit.AC operates by installing itself on a system and then connecting to a remote server to download and display advertisements. These advertisements can take many forms, including pop-ups, banners, and sponsored search results. In addition to displaying advertisements, Adware.Pirrit.AC may also collect user data and transmit it to its creators, who can use this information for malicious purposes. Adware programs like Adware.Pirrit.AC can also install additional malicious software, such as Trojans and spyware, which can further compromise the security of the infected system.
Symptoms of Infection
The symptoms of Adware.Pirrit.AC infection can vary, but common indicators include an increase in unwanted advertisements, slow system performance, and unfamiliar programs installed on the system. Users may also notice that their browser homepage has been changed, or that they are being redirected to unfamiliar websites. In some cases, Adware.Pirrit.AC may also cause system crashes or freezes, or prevent certain programs from running properly.
- Unwanted advertisements, including pop-ups and banners
- Slow system performance
- Unfamiliar programs installed on the system
- Changes to browser settings, such as a new homepage
- Redirects to unfamiliar websites
- System crashes or freezes
- Prevention of certain programs from running properly
How to Remove Adware.Pirrit.AC
- Boot your system in Safe Mode with Networking to prevent Adware.Pirrit.AC from loading and to allow for a more effective removal process
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all components of Adware.Pirrit.AC
- Uninstall any suspicious programs that may have been installed by Adware.Pirrit.AC
- Reset your browser settings, including Chrome, Firefox, and Edge, to their default values to remove any changes made by Adware.Pirrit.AC
- Reboot your system and perform a follow-up scan to ensure that all components of Adware.Pirrit.AC have been removed
Conclusion
The removal of Adware.Pirrit.AC is a critical step in protecting your system and personal data from further damage. By following the steps outlined above, you can effectively remove Adware.Pirrit.AC and prevent future infections. It is also essential to practice safe computing habits, such as avoiding suspicious downloads and email attachments, and keeping your operating system and software up to date, to prevent similar infections in the future. Remember to always use reputable anti-malware tools and to regularly scan your system for malware to ensure your continued safety and security online.
Analysis Report
General information
| Family Name: | Adware.Pirrit.AC |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
abe69125f7e4ecee9e9e73983f1e58ec
SHA1:
2720b0284f242e2be4476373ccbf796a19e4cda3
SHA256:
72F38294F3D058A14EF3DBC8FAAF5EB40505E2483DF31459A73629FF96C0E591
File Size:
60.97 KB, 60965 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- File doesn't have exports table
- File doesn't have security information
- File is 32-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- File is Native application (NOT .NET application)
- File is not packed
- IMAGE_FILE_DLL is not set inside PE header (Executable)
Show More
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Traits
- No Version Info
- x86
Block Information
Block Information
During analysis, EnigmaSoft breaks file samples into logical blocks for classification and comparison with other samples. Blocks can be used to generate malware detection rules and to group file samples into families based on shared source code, functionality and other distinguishing attributes and characteristics. This section lists a summary of this block data, as well as its classification by EnigmaSoft. A visual representation of the block data is also displayed, where available.| Total Blocks: | 130 |
|---|---|
| Potentially Malicious Blocks: | 44 |
| Whitelisted Blocks: | 86 |
| Unknown Blocks: | 0 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
Similar Families
Similar Families
This section lists other families that share similarities with this family, based on EnigmaSoft’s analysis. Many malware families are created from the same malware toolkits and use the same packing and encryption techniques but uniquely extend functionality. Similar families may also share source code, attributes, icons, subcomponents, compromised and/or invalid digital signatures, and network characteristics. Researchers leverage these similarities to rapidly and effectively triage file samples and extend malware detection rules.- Pirrit.AC
