PUP.ServU
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: | 80 % (High) |
| Infected Computers: | 0 |
| First Seen: | January 19, 2011 |
| OS(es) Affected: | Windows |
The detection of PUP.ServU on your system indicates the presence of a potentially unwanted program (PUP) that may be compromising your computer's security and performance. PUPs are software applications that, while not necessarily malicious, can cause a range of problems, from annoying pop-ups and redirects to more serious issues like data theft and system instability.
Table of Contents
What Is PUP.ServU?
PUP.ServU is a type of potentially unwanted program that may have been installed on your system without your knowledge or consent. It is designed to serve unknown purposes, potentially including the collection of user data, the display of unwanted advertisements, or the installation of additional unwanted software. PUPs like PUP.ServU can be bundled with other software applications, or they may be installed through exploits or other malicious means.
How PUP.ServU Operates
PUP.ServU operates by installing itself on your system and then running in the background, often without your knowledge or consent. It may communicate with remote servers to send and receive data, or it may install additional software components to carry out its functions. In some cases, PUP.ServU may also modify system settings or configure itself to start automatically when your computer boots up. The exact nature of PUP.ServU's operations can vary, but its presence on your system is likely to cause problems and compromise your security.
Symptoms of Infection
The symptoms of a PUP.ServU infection can vary, but common indicators include unwanted pop-ups, redirects, and advertisements, as well as slower system performance, crashes, and instability. You may also notice that your browser settings have been changed, or that unfamiliar programs are running in the background. In some cases, PUP.ServU may also cause problems with your internet connection, or interfere with the operation of other software applications.
- Unwanted pop-ups, redirects, and advertisements
- Slower system performance, crashes, and instability
- Changed browser settings
- Unfamiliar programs running in the background
- Problems with your internet connection
- Interference with other software applications
How to Remove PUP.ServU
- Boot your computer in Safe Mode with Networking to prevent PUP.ServU from running and to give you a clean environment to work in.
- Run a full scan with a reputable anti-malware tool, such as SpyHunter, to detect and remove PUP.ServU and any other associated malware.
- Uninstall any suspicious programs that may be associated with PUP.ServU, taking care to follow the uninstallation instructions carefully.
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any changes made by PUP.ServU.
- Reboot your computer and run another scan with your anti-malware tool to ensure that PUP.ServU has been completely removed.
Conclusion
The removal of PUP.ServU from your system is an important step in protecting your security and performance. By following the steps outlined above, you can help to ensure that your computer is free from this potentially unwanted program and any associated malware. Remember to always be cautious when installing new software, and to keep your anti-malware tools up to date to prevent future infections. With the right tools and a little knowledge, you can help to keep your computer safe and secure.
Analysis Report
General information
| Family Name: | PUP.ServU |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
4dd19a2a628526db4f2a2afddb5402b5
SHA1:
6c31f78990b2b28fcbe35619a7f4d08d503d721c
SHA256:
A4786383343F63B6975CDCCBB757A7B96756A4B8EE245D6EAD81D20C51588684
File Size:
2.88 MB, 2881896 bytes
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MD5:
558d93711896ea0c1eec002617f3f998
SHA1:
9b85136b385067d6fd7edece7871c1175f372823
SHA256:
69254A4AD83317B400945FE0C5A707138F6F34146CBD8EA55B2090DC14DCE1A1
File Size:
2.54 MB, 2538496 bytes
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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 relocations information
- File doesn't have security information
- File has exports table
- File has TLS information
- File is 32-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
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- File is Native application (NOT .NET application)
- File is not packed
- IMAGE_FILE_DLL is not set inside PE header (Executable)
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Icons
File Icons
This section displays icon resources found within family samples. Malware often replicates icons commonly associated with legitimate software to mislead users into believing the malware is safe.
Windows PE Version Information
Windows PE Version Information
This section displays values and attributes that have been set in the Windows file version information data structure for samples within this family. To mislead users, malware actors often add fake version information mimicking legitimate software.| Name | Value |
|---|---|
| Comments | This installation was built with Inno Setup: http://www.innosetup.com |
| Company Name |
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| File Description |
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| File Version |
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| Internal Name | Serv-U® |
| Legal Copyright | Copyright (C) 1995-2012 - Rhino Software, Inc. |
| Legal Trademarks | Serv-U® is a registered trademark of Rhino Software, Inc. |
| Original Filename | Serv-U.dll |
| Product Name | Serv-U® File Server |
| Product Version | 12, 1, 0, 8 |
Digital Signatures
Digital Signatures
This section lists digital signatures that are attached to samples within this family. When analyzing and verifying digital signatures, it is important to confirm that the signature’s root authority is a well-known and trustworthy entity and that the status of the signature is good. Malware is often signed with non-trustworthy “Self Signed” digital signatures (which can be easily created by a malware author with no verification). Malware may also be signed by legitimate signatures that have an invalid status, and by signatures from questionable root authorities with fake or misleading “Signer” names.| Signer | Root | Status |
|---|---|---|
| Rhino Software, Inc. | UTN-USERFirst-Object | Self Signed |
File Traits
- dll
- Inno
- InnoSetup Installer
- Installer Manifest
- Installer Version
- 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: | 7,885 |
|---|---|
| Potentially Malicious Blocks: | 91 |
| Whitelisted Blocks: | 3,266 |
| Unknown Blocks: | 4,528 |
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 |
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| Process Manipulation Evasion |
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| Process Shell Execute |
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| Anti Debug |
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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\9b85136b385067d6fd7edece7871c1175f372823_0002538496.,LiQMAxHB
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