Threat Spotlight: The business risks of pirate software

Employees downloading illegal versions of software risk data breaches and more as most comes loaded with malware.

Takeaways

• In the last month, Barracuda’s SOC detected multiple attempts by users to download pirate/cracked software.
• Illicit software carries risk of malware infections, credential theft, cryptominers, session hijacking, software compromise, ransomware, and more.
• Warning signs include unexplained executable files, ZIP files from web saved to Downloads folder and manual activation steps.
• Pirate or cracked software can’t receive updates, so security gaps remain.

Over the last month, Barracuda’s SOC tools and analysts have detected multiple instances of users trying to download and activate pirate or cracked versions of software and unauthorized installers onto corporate endpoints.

Pirate and cracked software are traditionally associated with gaming — players looking for free upgrades, enhancements or special hacks. Pirate software refers to programs that have been illegally copied, while cracked software refers to programs that have been modified to bypass licensing or protection mechanisms designed to prevent piracy.

Both present a significant business risk. Employees seeking free, unofficial and unlicensed tools for productivity, ease of access or cost savings can unintentionally become the entry point for serious security incidents.

The risk of rogue software

Pirate and cracked software are lethal. Studies show that up to 80% or more of these programs carry malicious content. To make things worse, the software can’t be patched and updated like the legitimate version, so security gaps remain open.

When employees are able install cracked software on corporate endpoints, they can expose the organization to malware infections, credential theft, cryptominers, session hijacking, software compromise, ransomware, and more.

How to detect cracked software downloads

The SOC detected multiple suspicious executable files appearing in locations that users can add content too, such as ‘Downloads’ folders. The data also showed that the files were being launched manually shortly after browser activity, such as from Chrome or Microsoft Edge, and often via explorer.exe.  

These are all known markers for someone trying to install cracked software. All instances were neutralized by the SOC before they could establish persistence.

There’s no such thing as a harmless executable download

The detection of new or unexpected executable — or binary — files invariably spells trouble. Barracuda’s own analysis found that 87% of executable files delivered by email were malicious.

The most recent SOC data highlights repeated detections of three types of executable file: activate.exe, activate.x86.exe and activate.x64.exe.

These filenames are generic. They have been deliberately chosen to sound legitimate and look reassuring and routine. They are frequently used in pirated/cracked software bundles, phishing attachments, fake software installers, and more.

In most malicious cases, ‘activate.exe’ doesn’t actually activate anything. Instead, it loads malware, droppers that can install additional malware, or acts as a wrap for launching hidden payloads.

The x86 and x64 versions of the activate.exe files help to ensure successful execution in different Windows systems.

These file names are often seen in cracked versions of Microsoft, Adobe and other work tools.

The red flag of user behavior

Pirated/cracked software requires manual interaction to install and activate the program — and by extension the malicious payload. This is good news for defenders because in an increasingly automated computing environment, any sign of manual activity related to a software download is a powerful indicator of illegal software.

Network signs that point to intentional downloading of a suspicious file:

• The inbound file came from a torrent (streaming) client, such as BitTorrent.
• The inbound files came from a known ‘free download’ or crack website.
• The inbound file came from a file-sharing website that can host large, compressed ZIP, RAR or 7z files.
• The files were downloaded in bundles.
• The files were downloaded as password-protected ZIP/RAR files.

Legitimate software vendors do not distribute software or its activation tools in this way.

User behaviors that suggest the installation and activation of suspicious files:

• Manual extraction of an archive using Windows Explorer, WinRAR, or 7‑Zip
• Creating or adding content to Downloads or Documents\Software folders
• Opening files one by one rather than everything running automatically
• Clicking yes on prompts or running files manually

Pirated/cracked software generally requires step-by-step manual activity.

IT security teams may also spot attempts to block licence checks.

In short, if the IT security team spots activate.exe along with manual downloads, extracted crack folders, instruction files, admin approval, and license‑bypass changes, it is very likely the user intentionally tried to install pirated/cracked software.

What to do if you detect pirated/cracked software

How to clean the network of malicious illegal software:

• Remove the pirated/cracked software and activator files. Delete the installer, crack, keygen, and extracted folders.
• Uninstall the affected application and, if required, reinstall it from an approved, licensed source.
• Run a full malware scan — cracked software often bundles unwanted extras such as infostealers even if the initial intent was piracy.
• Undo licensing bypass changes.
• Reimage or rebuild the device if any of the following are true:
• Antivirus or endpoint detection and response (EDR) flagged additional malware.
• System files or core application binaries were replaced.
• You cannot confidently undo all changes made by the crack.
• The user disabled security controls (antivirus, EDR, firewall).

Conclusion

To protect both employees and assets from the damage pirated/cracked software can do, organizations can take the following steps:

• Enforce endpoint protection measures to automatically block unknown or unauthorized executables in real time, even when they are launched manually.
• Restrict local administrator rights and require approval for all software installations.
• Implement application control to allow only approved software to run on corporate devices.
• Monitor for the appearance of executable files in folders users can save content into, such as Downloads and Temp folders.
• Combine technical controls with clear acceptable use policies and user awareness training to reduce high-risk behaviors.

Actionable intelligence from Barracuda Research