Adware-OneStep.b
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: | 7 |
| First Seen: | June 28, 2021 |
| Last Seen: | October 24, 2025 |
| OS(es) Affected: | Windows |
Adware-OneStep.b is an unwanted adware application that integrates itself as a browser helper object. It can redirect search page and displays excessive advertisements on infected computer. Once Adware-OneStep.b has embedded itself within a computer system, it will bombard the desktop with hundreds of pop-up messages, advertising various products.
Adware-OneStep.b tends to be downloaded and installed together with other malware programs. Adware-OneStep.b is a form of an adware application, which was created with the sole purpose of displaying pop-up advertisements based on searches the user performs on popular web search engines, such as google.com, yahoo.com, search.msn.com, search.lycos.com, search.aol.com, etc. Adware-OneStep.b will monitor what a system user will search for, and continues to display web pages from partner websites, once the user enters certain keyword triggers.
Adware-OneStep.b may come bundled with third party malware applications, and is highly capable of downloading and installing additional adware. To be able to manually remove Adware-OneStep.b, one should bear in mind that it is quite a difficult process and it is not recommend, unless the user is an expert in this field. Therefore, the best defence is to download and install a reliable anti-spyware program to scan for Adware-OneStep.b and other spyware on a machine. Online threats are constantly changing and adapting to avoid detection, therefore one should definitely consult an expert should Adware-OneStep.b be detected on a system.
Table of Contents
File System Details
| # | File Name |
Detections
Detections: The number of confirmed and suspected cases of a particular threat detected on
infected computers as reported by SpyHunter.
|
|---|---|---|
| 1. | %Windir%\Temp\ZIN5.tmp | |
| 2. | %Windir%\Temp\nsxA.tmp | |
| 3. | %Windir%\Temp\nsw8.tmp |
Registry Details
Analysis Report
General information
| Family Name: | Adware.OneStep.B |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
c74803e7496951d6a6f4adcbf1d09aee
SHA1:
431ebc4919c24618ce5e118ccd8e732cdab0e733
SHA256:
C559B94115B2E3485A7A0A7C5A0D137263F8B79FC4E123757025A98210D9729A
File Size:
569.34 KB, 569344 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- File doesn't have resources
- File doesn't have security information
- File has exports table
- 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
Show More
- IMAGE_FILE_DLL is not set inside PE header (Executable)
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Traits
- dll
- HighEntropy
- 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: | 200 |
|---|---|
| Potentially Malicious Blocks: | 30 |
| Whitelisted Blocks: | 169 |
| Unknown Blocks: | 1 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
Windows API Usage
Windows API Usage
This section lists Windows API calls that are used by the samples in this family. Windows API usage analysis is a valuable tool that can help identify malicious activity, such as keylogging, security privilege escalation, data encryption, data exfiltration, interference with antivirus software, and network request manipulation.| Category | API |
|---|---|
| Syscall Use |
Show More
|
| Process Shell Execute |
|
| Anti Debug |
|
Shell Command Execution
Shell Command Execution
This section lists Windows shell commands that are run by the samples in this family. Windows Shell commands are often leveraged by malware for nefarious purposes and can be used to elevate security privileges, download and launch other malware, exploit vulnerabilities, collect and exfiltrate data, and hide malicious activity.
C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\431ebc4919c24618ce5e118ccd8e732cdab0e733_0000569344.,LiQMAxHB
|
