GridinSoft Threat Intelligence

Newtonsoft.Json.Net20.dll threat report

Detected as PUP.Gen File reputation report
MD5 85be7c03faaa62eb112d72ad494d670b
Latest seen 2025-03-23 23:01:16 (a year ago)
First seen 2025-03-23 23:01:16 (a year ago)
Size 395 KB
Publisher Newtonsoft
Signed by DVDVideoSoft Ltd.

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as PUP.Gen. 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.Gen
Recommended action
Scan and remove
Last analysis
2025-03-23 23:01:16 (a year ago)
File hash
85be7c03faaa62eb112d72ad494d670b
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as PUP.Gen.

Timeline

First seen 2025-03-23 23:01:16 (a year ago); latest analysis 2025-03-23 23:01:16 (a year ago).

Publisher context

Company metadata: Newtonsoft. Product metadata: Newtonsoft Json.NET.

Digital signature

Signed by DVDVideoSoft Ltd.. 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.

Newtonsoft.Json.Net20.dll is a Windows file recorded in the ThreatInfo database. It is associated with Newtonsoft Json.NET. The reported company name is Newtonsoft. The current detection status is PUP.Gen, based on the latest analysis from 2025-03-23 23:01:16 (a year ago).

If Newtonsoft.Json.Net20.dll 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.Gen.

Product Name: Newtonsoft Json.NET
Company Name: Newtonsoft
MD5: 85be7c03faaa62eb112d72ad494d670b
Size: 395 KB
First Published: 2025-03-23 23:01:16 (a year ago)
Latest Published: 2025-03-23 23:01:16 (a year ago)
Status: PUP.Gen (on last analysis)
Analysis Date: 2025-03-23 23:01:16 (a year ago)
Newtonsoft.Json.Net20.dll 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.

Signed By: DVDVideoSoft Ltd.
Status: Valid

The signature on Newtonsoft.Json.Net20.dll 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.

%windir%\assembly\gac_msil\newtonsoft.json.net20

ThreatInfo has observed Newtonsoft.Json.Net20.dll 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.

Windows 10 100.0%

The most common operating system signal for Newtonsoft.Json.Net20.dll is Windows 10 with 100.0% 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.

Newtonsoft.Json.Net20.dll is identified as pe for 32-bit systems. The subsystem is Windows CUI. 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 CUI
Entry point 0x0006335a
Image base 0x00400000

PE Sections:

Sections 3
Raw data 400384

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

.text 398848 bytes · 99.6% of section data
MD5 7ff5a99dbe981892c1bff9091b41bd57
.rsrc 1024 bytes · 0.3% of section data
MD5 b100fe785e32204bceb853eef08ed265
.reloc 512 bytes · 0.1% of section data
MD5 8a323761f3491e2fa5225e1af34d06ac

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.Gen

This report identifies Newtonsoft.Json.Net20.dll by MD5 85be7c03faaa62eb112d72ad494d670b. 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 85be7c03faaa62eb112d72ad494d670b.
  • 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.