GridinSoft Threat Intelligence

ZonaSetup[Mscdu].exe threat report

Detected as PUP.Downloader File reputation report
MD5 c86616eb3ff9dd3fcfaf07a342a9478a
Latest seen 2021-01-08 13:37:06 (5 years ago)
First seen 2020-06-08 10:53:19 (5 years ago)
Size 62 MB
Publisher 4th generation
Product Zona installer
Signed by Chetvertoe pokolenie, OOO

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as PUP.Downloader. Download GridinSoft Anti-Malware to scan the device, confirm whether this file is present, and remove the detected object if it is found.

Detection name
PUP.Downloader
Recommended action
Scan and remove
Last analysis
2021-01-08 13:37:06 (5 years ago)
File hash
c86616eb3ff9dd3fcfaf07a342a9478a
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as PUP.Downloader.

Timeline

First seen 2020-06-08 10:53:19 (5 years ago); latest analysis 2021-01-08 13:37:06 (5 years ago).

Publisher context

Company metadata: 4th generation. Product metadata: Zona installer.

Digital signature

Signed by Chetvertoe pokolenie, OOO. The signature is reported as valid, but signed files can still be bundled or abused.

Observed locations

ThreatInfo has seen this file in user or system paths listed below. Unexpected locations increase the need for local verification.

Recommended action

What to do next

  1. Compare the MD5 above with the file found on the device.
  2. Check whether the file appears in the observed locations or under one of the alternate names.
  3. Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present.

File context

ZonaSetup[Mscdu].exe is a Windows file recorded in the ThreatInfo database. It is associated with Zona installer. The reported company name is 4th generation. The current detection status is PUP.Downloader, based on the latest analysis from 2021-01-08 13:37:06 (5 years ago).

If ZonaSetup[Mscdu].exe appears on your computer unexpectedly, treat it as suspicious. Check its location, digital signature, and recent system changes before allowing it to run. A full anti-malware scan is recommended when this file is detected as PUP.Downloader.

File Details

Product Name: Zona installer
Company Name: 4th generation
MD5: c86616eb3ff9dd3fcfaf07a342a9478a
Size: 62 MB
First Published: 2020-06-08 10:53:19 (5 years ago)
Latest Published: 2021-01-08 13:37:06 (5 years ago)
Status: PUP.Downloader (on last analysis)
Analysis Date: 2021-01-08 13:37:06 (5 years ago)

Detection screenshot

ZonaSetup[Mscdu].exe detection screenshot

The screenshot is a visual record of a GridinSoft Anti-Malware detection for this sample. Use the hash and metadata above as the primary identifiers when comparing the file on your system.

Overview

Signed By: Chetvertoe pokolenie, OOO
Status: Valid

The signature on ZonaSetup[Mscdu].exe is reported as valid. A valid signature helps confirm publisher identity, but it does not automatically make the file safe if the installer was bundled, abused, or downloaded from an untrusted source.

Common Places:

%localappdata%\microsoft\windows\inetcache\ie
%sysdrive%\$recycle.bin
%profile%
%sysdrive%\installs

ThreatInfo has observed ZonaSetup[Mscdu].exe in the locations listed above. Files found in temporary folders, user profile folders, startup locations, or unusual application directories should be reviewed more carefully than files installed under a known program directory.

Geographic signal

Observed country distribution

ThreatInfo has seen ZonaSetup[Mscdu].exe across 4 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Russian Federation
Share 69.2%
Low High activity

The strongest geographic signal for this file is Russian Federation with 69.2% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 10 86.7%
Windows 7 13.3%

The most common operating system signal for ZonaSetup[Mscdu].exe is Windows 10 with 86.7% of observed hits. If your system differs from the common profile, check whether the file was introduced by a specific installer, archive, or removable device.

Analysis

ZonaSetup[Mscdu].exe is identified as pe for 32-bit systems. The subsystem is Windows GUI. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.

Format pe
Architecture 32-bit
Subsystem Windows GUI
Entry point 0x0005341a
Image base 0x00400000

PE Sections:

Sections 5
Raw data 65790464

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 475136 bytes · 0.7% of section data
MD5 834a8cf2caebc738d4d4ec119f5368ac
.rdata 109568 bytes · 0.2% of section data
MD5 8ddc58a6c666a1a866979533aba54ea8
.data 16896 bytes · 0.0% of section data
MD5 1e17f747f41eb0b728fc1041767ce924
.rsrc 64996864 bytes · 98.8% of section data
Large raw data
MD5 1086b0dca15ca438094cd51387014a30
.reloc 192000 bytes · 0.3% of section data
MD5 cf94f257f1ec8edbe89fbe900276f9d3

PE section names and hashes can reveal packing, injected resources, or unusual build artifacts. Sections with uncommon names, very large raw data, or hashes that differ from a trusted copy deserve additional review.

Report conclusion

GridinSoft detects this file as PUP.Downloader

This report identifies ZonaSetup[Mscdu].exe by MD5 c86616eb3ff9dd3fcfaf07a342a9478a. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.

Download GridinSoft Anti-Malware Scan the device and confirm whether this exact hash is present. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with c86616eb3ff9dd3fcfaf07a342a9478a.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan and remove the object if the same hash is found.