Files signed by OOO "INSTREM"

OOO "INSTREM"

OOO "INSTREM" is a digital signature publisher name observed in ThreatInfo records. This page groups 12 signed files and shows whether those files are currently classified as clean, undefined, or detected.

A digital signature can help identify a publisher, but it does not always prove that a file is safe. Certificates may be abused, stolen, expired, or attached to modified installers, so the file hash and detection status should be checked together.

Detection signal

Detected files use this signature name

At least one file signed as OOO "INSTREM" is detected by GridinSoft. Review the hashes below and scan the device if one of these files is present.

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ZonaUpdater.exe 34bb1161017ddb2a9786029f878fe9cf Under review
Zona.exe 4baf90fafbe066884dc981b4e6f2817f PUP.Zona
uninstall.exe 83e0aaa7aaf768bceb043c6871ee61a4 Under review
zreg64.dll 8572bcb8c36f3c76db58e43b2feeaf1e Under review
Zona.exe 7400c762229fdf630a31633bba14183f General Threat
ZonaSetup64[mJwv1].exe 416ce555d69cb339e403e6515c2de3fe Adware.Downloader
ZonaSetup64.exe 3ba9551d686ef8cf5f565678d92b1f9e Adware.Downloader
ZonaSetup64[mezRQ].exe 5591623986fe7c4652dbe0891d6a2269 Adware.Downloader
Zona.exe d5ca824483a0dad1a4931790bf33d701 Adware.Downloader
ZonaSetup64.exe 69550b61eccd0bba2270b7d0c26cb085 Adware.Downloader
ZonaWebSetup64[6xcR7].exe 92eaa2c4ed748e199065628b704a93a0 Adware.Downloader
ZonaSetup64[6CspX].exe 579ad3274a34e58e6d7527e6d9ac66e0 Adware.Downloader

Certificate review summary

Do not trust this signature name by itself

ThreatInfo found detected files associated with OOO "INSTREM". A matching signature name should be checked together with the file hash, detection verdict, and source path.

Recommended checks

  • Open any matching file report and compare the MD5 hash.
  • Confirm the file path and download source before trusting the binary.
  • Run a GridinSoft scan if a detected file from this list is present.