PUP.UVK
The detection of PUP.UVK 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 still cause significant disruptions and pose risks to your personal data and system integrity. Understanding what PUP.UVK is, how it operates, and the symptoms it causes is crucial for effective removal and prevention of future infections.
Table of Contents
What Is PUP.UVK?
PUP.UVK refers to a type of potentially unwanted program that is detected by security software. The term "PUP" encompasses a broad range of software that may be installed on a user's system without their full consent or awareness. These programs can range from adware that displays unwanted advertisements to software that modifies browser settings or collects user data without permission. PUP.UVK, like other PUPs, may not be malicious in the traditional sense, such as viruses or Trojans, but they can still significantly affect your computing experience and security.
How PUP.UVK Operates
PUP.UVK, similar to other PUPs, typically operates by integrating itself into your system through various means, such as bundled installations with other software, deceptive downloads, or exploitation of vulnerabilities. Once installed, it may alter system settings, modify browser configurations, or run processes in the background that consume system resources. The primary goal of such programs is often to generate revenue for their developers through advertisements, data collection, or by selling user information. Understanding how PUP.UVK operates is key to removing it effectively and preventing similar infections in the future.
Symptoms of Infection
The symptoms of a PUP.UVK infection can vary but commonly include an increase in unwanted advertisements or pop-ups, changes to your browser's homepage or search engine, the appearance of new, unfamiliar programs or toolbars, and a general slowdown in system performance. In some cases, you might also notice that your browser settings keep changing back to their altered state even after you try to reset them. These symptoms indicate that your system is compromised by unwanted software and that you should take immediate action to remove the threat.
How to Remove PUP.UVK
- Start your computer in Safe Mode with Networking. This will allow you to use the internet to download removal tools while limiting the ability of the PUP to interfere with the removal process.
- Download and run a full scan with a reputable anti-malware tool, such as SpyHunter. Ensure the tool is updated to the latest version to guarantee it can detect and remove the latest threats.
- Uninstall any suspicious programs that you do not recognize or that were installed around the time you noticed the infection. Be cautious and only uninstall programs you are certain are not essential to your system's operation.
- Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings. This will remove any changes made by the PUP, such as altered homepages or search engines, and disable any extensions that might be related to the infection.
- After completing the above steps, reboot your computer and perform another scan with your anti-malware tool to ensure all remnants of PUP.UVK have been removed.
Conclusion
Removing PUP.UVK requires a combination of understanding its nature, identifying its symptoms, and taking systematic steps to eradicate it from your system. By following the removal guide and maintaining good computing practices, such as regularly updating your software, being cautious with downloads, and using reputable security tools, you can protect your system from PUP.UVK and other similar threats. Remember, prevention and vigilance are key to maintaining your system's security and performance in the face of evolving cyber threats.
Analysis Report
General information
| Family Name: | PUP.UVK |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
1726cae43635579eebe7a778ef73d547
SHA1:
81828d09db511cea9f70b85d3f7f2521b200f24b
SHA256:
AE1D2BDA4F39713A17972694879680C882822E0E6D17F51FCBE2EC5E7A51F0A7
File Size:
852.14 KB, 852136 bytes
|
|
MD5:
4a393d84c98fb3806907498961292847
SHA1:
a0d1448768005d9a648451b6578c82d27b9ff751
SHA256:
C29226CF11AE41F6B0CEF09CB185BFB62AC2783266C9D2C5E2FACA89C9EFE35D
File Size:
5.34 MB, 5344152 bytes
|
|
MD5:
387f2d426fcde31f0fb9a9d9eeb2fa04
SHA1:
4e92476dc6e96b6b1e1c5b7e634670ac3d82c4e0
SHA256:
3789ED209E8E9BC03CEB16BB2211D6B7E79D263604BF937D9933C7C2413C69D7
File Size:
1.44 MB, 1440256 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 relocations information
- 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
Show More
- 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 |
|
| Company Name |
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| File Description |
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| File Version |
|
| Internal Name |
|
| Legal Copyright |
|
| Legal Trademarks |
|
| Original Filename |
|
| Product Name |
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| Product Version |
|
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 |
|---|---|---|
| Alfredo Anibal santos silva | COMODO Code Signing CA 2 | Self Signed |
| carifred.com | carifred.com | Self Signed |
File Traits
- 2+ executable sections
- Autoit
- Badsig autoit
- big overlay
- HighEntropy
- WriteProcessMemory
- 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: | 4,174 |
|---|---|
| Potentially Malicious Blocks: | 6 |
| Whitelisted Blocks: | 4,168 |
| Unknown Blocks: | 0 |
Visual Map
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0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
...
Data truncated
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block
? - 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.- Autoit
- Delf.Q
- Philadelphia.A
- Philadelphia.B
Files Modified
Files Modified
This section lists files that were created, modified, moved and/or deleted by samples in this family. File system activity can provide valuable insight into how malware functions on the operating system.| File | Attributes |
|---|---|
| c:\users\user\appdata\local\temp\autab5e.tmp | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\autab8e.tmp | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\autab9e.tmp | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\autabaf.tmp | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\autabbf.tmp | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\uvksetup\carifred.cer | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\temp\uvksetup\carifred.cer | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\uvksetup\license.htm | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\temp\uvksetup\license.htm | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\uvksetup\uvk.dll | Generic Read,Write Data,Write Attributes,Write extended,Append data |
Show More
| c:\users\user\appdata\local\temp\uvksetup\uvk.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\uvksetup\uvk.png | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
| c:\users\user\appdata\local\temp\uvksetup\uvk.png | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\uvksetup\uvksetup.png | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
| c:\users\user\appdata\local\temp\uvksetup\uvksetup.png | Generic Write,Read Attributes |
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 |
|---|---|
| Anti Debug |
|
| User Data Access |
|
| Service Control |
|
| Other Suspicious |
|
| Keyboard Access |
|
