PUP.CrossReader

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Last updated:

Threat Scorecard

Threat Level: 10 % (Normal)
Infected Computers: 4,502
First Seen: January 14, 2014
Last Seen: January 6, 2026
OS(es) Affected: Windows

Your system has been detected with PUP.CrossReader, a potentially unwanted program that may have been installed without your knowledge or consent. This type of program can cause various issues on your computer, and it's essential to understand what it is and how to remove it to prevent any potential harm.

What Is PUP.CrossReader?

PUP.CrossReader is a type of potentially unwanted program (PUP) that may have been bundled with other software or installed through deceptive means. PUPs are programs that may not be malicious in nature but can still cause problems on your system, such as displaying unwanted advertisements, collecting user data, or modifying system settings. It's crucial to note that PUPs can sometimes be difficult to remove, and they may require specialized tools or techniques to eliminate them completely.

How PUP.CrossReader Operates

PUP.CrossReader, like other PUPs, can operate in various ways, depending on its intended purpose. It may display unwanted advertisements, such as pop-ups or banners, or collect user data, such as browsing history or search queries. In some cases, PUPs can also modify system settings, such as changing the default search engine or homepage. PUPs can also consume system resources, slowing down your computer and causing it to become less responsive. It's essential to understand that PUPs can be used as a means to deliver more malicious software, such as Trojans or ransomware, which can cause significant harm to your system and data.

Symptoms of Infection

The symptoms of a PUP.CrossReader infection can vary, but common signs include unwanted advertisements, slow system performance, and modified system settings. You may also notice that your browser is redirecting to unwanted websites or that your search engine has been changed. In some cases, you may receive pop-ups or alerts claiming that your system is infected with malware, which can be a tactic used by PUPs to deceive users into installing more malicious software. If you suspect that your system is infected with PUP.CrossReader, it's crucial to take immediate action to remove it.

  • Unwanted advertisements, such as pop-ups or banners
  • Slow system performance
  • Modified system settings, such as changed default search engine or homepage
  • Browser redirects to unwanted websites
  • Pop-ups or alerts claiming that your system is infected with malware

How to Remove PUP.CrossReader

  1. Boot your system in Safe Mode with Networking to prevent PUP.CrossReader from loading and to allow for a more straightforward removal process.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove PUP.CrossReader and any associated files or components.
  3. Uninstall any suspicious programs or applications that may be related to PUP.CrossReader, as they may be used to reinstall the PUP or deliver more malicious software.
  4. Reset your browser settings, including Chrome, Firefox, and Edge, to their default values to remove any modifications made by PUP.CrossReader.
  5. Reboot your system and perform another full scan to ensure that PUP.CrossReader has been completely removed and that no other threats are present.

Conclusion

Removing PUP.CrossReader from your system is crucial to prevent any potential harm and to restore your system to its normal state. By following the steps outlined above, you can effectively remove PUP.CrossReader and prevent any further issues. It's essential to remain vigilant and to regularly scan your system for any potential threats to ensure that your system and data remain safe. Remember to always be cautious when installing software or clicking on links, and never install programs from untrusted sources to minimize the risk of PUP infections.

SpyHunter Detects & Remove PUP.CrossReader

File System Details

PUP.CrossReader may create the following file(s):
# File Name MD5 Detections
1. CrossReader-bho64.dll 8bd40f42278a5404ccb464087e39434a 2
2. CrossReader-bho.dll 8618ffc90b23d7da8ab75a3e94fb5ed5 1
3. crossreader-bg.exe 59052dc83d24e282a7df1995dd28c762 1
4. crossreader.exe 65de19616927b1a1f30799cc10b0237f 0
More files

Registry Details

PUP.CrossReader may create the following registry entry or registry entries:
CLSID
{11111111-1111-1111-1111-110311671120}
Software\AppDataLow\Software\CrossReader
SOFTWARE\CrossReader
Software\InstalledBrowserExtensions\CrossReader\36720
Software\Microsoft\Internet Explorer\Approved Extensions\{11111111-1111-1111-1111-110311671120}
SOFTWARE\Wow6432Node\CrossReader
SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\CrossReader

Directories

PUP.CrossReader may create the following directory or directories:

%PROGRAMFILES(X86)%\CrossReader