GridinSoft Threat Intelligence
nacl64.exe threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as PUP.MailRu. 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.MailRu
- Recommended action
- Scan and remove
- Last analysis
- 2021-01-13 16:17:29 (5 years ago)
- File hash
- c37bee5d1313710d6d4bd51ed41a4597
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as PUP.MailRu, part of the PUP threat category.
Potentially unwanted programs, bundlers, installers, and utilities with intrusive behavior. Related PUP reports help compare this file with nearby detections, publishers, and hashes.
First seen 2020-12-26 08:09:00 (5 years ago); latest analysis 2021-01-13 16:17:29 (5 years ago).
Company metadata: The Atom Authors. Product metadata: Atom.
Signed by LLC Mail.Ru. The signature is reported as valid, but signed files can still be bundled or abused.
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
- Compare the MD5 above with the file found on the device.
- Check whether the file appears in the observed locations or under one of the alternate names.
- Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present. Review the PUP category for related samples and common context.
File context
nacl64.exe is a Windows file recorded in the ThreatInfo database. It is associated with Atom. The reported company name is The Atom Authors. The current detection status is PUP.MailRu, based on the latest analysis from 2021-01-13 16:17:29 (5 years ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.
If nacl64.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.MailRu.
File Details
| Product Name: | Atom |
| Company Name: | The Atom Authors |
| MD5: | c37bee5d1313710d6d4bd51ed41a4597 |
| Size: | 3 MB |
| First Published: | 2020-12-26 08:09:00 (5 years ago) |
| Latest Published: | 2021-01-13 16:17:29 (5 years ago) |
| Status: | PUP.MailRu (on last analysis) | |
| Analysis Date: | 2021-01-13 16:17:29 (5 years ago) |
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: | LLC Mail.Ru |
| Status: | Valid |
The signature on nacl64.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%\mail.ru\atom\application |
ThreatInfo has observed nacl64.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 nacl64.exe across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Russian Federation with 100.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.
OS Version:
The most common operating system signal for nacl64.exe 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.
Analysis
nacl64.exe is identified as pe for 64-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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
a8ed754eddb5ea7a061d6c69f9f05222
8d0ce3825603c7632814e1e601f77e4f
a8aa2044dbbd92487af37889f5513f39
b589ec6327940b15697ee86d7628db60
be030f3e053fd598bec13c95f06d6e41
bcdee87f658a7bf4080188f07db97ca9
38f48475e72b6644c1d22f28659dc61c
60d3ea61d541c9be2e845d2787fb9574
3186bd970d7a61c7f46f83bd6efff74c
0a13ef1ef9f18bb55ec425ddd5749ad7
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.MailRu
This report identifies nacl64.exe by MD5 c37bee5d1313710d6d4bd51ed41a4597. It is part of the PUP report group. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.