PUP.WinVNC.C
Your system has been detected to have a potentially unwanted program (PUP) known as PUP.WinVNC.C. This detection indicates that your computer may be infected with a program that could compromise your system's security and performance. It is essential to understand the nature of this threat and take immediate action to remove it and prevent further damage.
Table of Contents
What Is PUP.WinVNC.C?
PUP.WinVNC.C is a type of potentially unwanted program that may have been installed on your system without your knowledge or consent. PUPs are software applications that may not be malicious in nature but can still cause problems for your system, such as slowing it down, displaying unwanted advertisements, or collecting your personal data without your permission. The presence of PUP.WinVNC.C on your system may indicate that your computer has been exposed to malicious or untrusted sources, which could lead to more severe security threats if left unchecked.
How PUP.WinVNC.C Operates
PUPs like PUP.WinVNC.C often operate by exploiting vulnerabilities in your system or by piggybacking on other software installations. Once installed, they may start to display unwanted advertisements, collect your browsing data, or even install additional malware on your system. In some cases, PUPs may also attempt to connect to remote servers to download additional components or receive instructions from their creators. Understanding how PUP.WinVNC.C operates is crucial in taking effective measures to remove it and prevent similar infections in the future.
Symptoms of Infection
Systems infected with PUP.WinVNC.C may exhibit a range of symptoms, including but not limited to, slow system performance, unwanted pop-ups or advertisements, unexpected changes to browser settings or homepage, and increased risk of additional malware infections. You may also notice that your system is behaving erratically, such as crashing frequently or failing to respond to commands. If you have noticed any of these symptoms, it is essential to take immediate action to remove the PUP and restore your system's security and performance.
- Unwanted advertisements or pop-ups
- Slow system performance
- Changes to browser settings or homepage
- Increased risk of additional malware infections
- Erratic system behavior
How to Remove PUP.WinVNC.C
- Boot your system into Safe Mode with Networking to prevent the PUP from loading and to give you a clean environment to work in.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all components of PUP.WinVNC.C.
- Uninstall any suspicious programs that may have been installed without your knowledge or consent.
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any unwanted extensions or add-ons.
- Reboot your system and perform another full scan to ensure that all remnants of PUP.WinVNC.C have been removed.
Conclusion
Removing PUP.WinVNC.C from your system is crucial in restoring your system's security and performance. By following the steps outlined above and maintaining good computing practices, such as keeping your software up to date, using strong antivirus programs, and being cautious when installing new software, you can significantly reduce the risk of similar infections in the future. Remember, proactive measures are key to protecting your system from potentially unwanted programs and other types of malware.
Analysis Report
General information
| Family Name: | PUP.WinVNC.C |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
78a11ba3047e38211cd49f00127e282b
SHA1:
b478ae002704dbd6e38608aeb800508e601a1ebf
SHA256:
4A848EEF0F772B5DBA176E10DB02E685433362A5FE690E39562BF27B6B519884
File Size:
32.77 KB, 32768 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- 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
- IMAGE_FILE_DLL is not set inside PE header (Executable)
Show More
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
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 | Based on VNC by AT&T Research Labs Cambridge, RealVNC Ltd. |
| Company Name | TightVNC Group |
| File Description | VNC hooks DLL for Win32 |
| File Version | 1, 3, 8, 0 |
| Internal Name | VNCHooks |
| Legal Copyright | Copyright (C) 2000-2006 TightVNC Group |
| Original Filename | VNCHooks.dll |
| Product Name | TightVNC - VNCHooks |
| Product Version | 1, 3, 8, 0 |
File Traits
- dll
- 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: | 18 |
|---|---|
| Potentially Malicious Blocks: | 14 |
| Whitelisted Blocks: | 4 |
| 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.- WinVNC.C
Registry Modifications
Registry Modifications
This section lists registry keys and values that were created, modified and/or deleted by samples in this family. Windows Registry activity can provide valuable insight into malware functionality. Additionally, malware often creates registry values to allow itself to automatically start and indefinitely persist after an initial infection has compromised the system.| Key::Value | Data | API Name |
|---|---|---|
| HKCU\software\orl\vnchooks\application_prefs\rundll32.exe::use_getupdaterect | RegNtPreCreateKey | |
| HKCU\software\orl\vnchooks\application_prefs\rundll32.exe::use_timer | RegNtPreCreateKey | |
| HKCU\software\orl\vnchooks\application_prefs\rundll32.exe::use_keypress | RegNtPreCreateKey | |
| HKCU\software\orl\vnchooks\application_prefs\rundll32.exe::use_lbuttonup | RegNtPreCreateKey | |
| HKCU\software\orl\vnchooks\application_prefs\rundll32.exe::use_mbuttonup | RegNtPreCreateKey | |
| HKCU\software\orl\vnchooks\application_prefs\rundll32.exe::use_rbuttonup | RegNtPreCreateKey | |
| HKCU\software\orl\vnchooks\application_prefs\rundll32.exe::use_deferral | RegNtPreCreateKey |
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 Manipulation Evasion |
|
| 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\b478ae002704dbd6e38608aeb800508e601a1ebf_0000032768.,LiQMAxHB
|
