Click the "Select File" button above, and choose your ZL9 file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert ZL9 to another file type
To convert ZL9 quarantined files to another format, you need ZoneAlarm or other System software.
Convert a file to ZL9
To convert other file formats to the "Quarantined Malware File" file type, you need software like ZoneAlarm or a similar tool.
About ZL9 files
A .zl9 file is a potentially malicious executable program that ZoneAlarm antivirus software has isolated in its quarantine vault. When the security scanner detects a threat, it renames the file extension to prevent the Windows operating system from accidentally running the code. This format is highly restrictive. It is an encrypted, proprietary container locked by the antivirus software. Because the file is isolated, you cannot execute the original program, extract its resources, or analyze its code using standard tools. Users typically need to convert or restore this file when an antivirus engine triggers a false positive on a legitimate application. Standard online converters fail to process .zl9 files because the data structure is intentionally scrambled to neutralize malware. Only the original ZoneAlarm software has the cryptographic keys required to safely unpack the payload. If you must inspect the file, your best target format is .EXE or a compressed .ZIP archive for safe transport to a malware analysis sandbox. If our analysis detects a supported underlying or embedded format, viewing or conversion may still be possible.
Convert.Guru analyzes your ZL9 file, detects the exact format, and lets you read the text inside.
If you want to convert ZL9 file to EXE, MSI, APP, DMG, DEB, RPM, PKG, RUN, SH, BAT, CMD or COM, you can use ZoneAlarm or similar software from the "Antivirus Quarantine Vault" category. In the File menu, look for Save As… or Export….
To convert JAR, APP, SCR, IPA, COM, AAB, PS1, DMG, VBS, EXE, XAPK or MSI files to ZL9, try ZoneAlarm or another comparable tool in the "Antivirus Quarantine Vault" category.
The ZL9 Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our ZL9 converter.