nacl64.exe threat report
ThreatInfo file report
nacl64.exe
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
- 2021-01-09 18:23:54 (5 years ago)
- File hash
- 3a0742543433e57901f9fc886c61e972
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as PUP.MailRu.
First seen 2017-12-10 11:08:26 (8 years ago); latest analysis 2021-01-09 18:23:54 (5 years ago).
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.
File context
nacl64.exe is a Windows file recorded in the ThreatInfo database. It is associated with Go!. The reported company name is Mail.Ru. The current detection status is PUP.MailRu, based on the latest analysis from 2021-01-09 18:23:54 (5 years ago).
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: | Go! |
| Company Name: | Mail.Ru |
| MD5: | 3a0742543433e57901f9fc886c61e972 |
| Size: | 6 MB |
| First Published: | 2017-12-10 11:08:26 (8 years ago) |
| Latest Published: | 2021-01-09 18:23:54 (5 years ago) |
| Status: | PUP.MailRu (on last analysis) | |
| Analysis Date: | 2021-01-09 18:23:54 (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%\go!\application |
| %system%\config\systemprofile\appdata\local\go!\application |
| %sysdrive%\$recycle.bin\s-1-5-21-2596977023-3061757637-3725599512-1000\$rg9s4a1\application |
| %sysdrive% |
| %sysdrive%\сергейдом-пк\backup set 2018-01-30 195644\backup files 2018-01-30 195644\backup files 13.zip\c\users\сергей дом\appdata\local\go!\application |
| %sysdrive%\save_20180209\users\user\appdata\local\go!\application |
| %localappdata%\go!\application\58.2.3029.31\installer\chrome.7z\chrome-bin |
| %sysdrive%\илья-пк\backup set 2018-02-11 190012\backup files 2018-02-11 190012\backup files 6.zip\c\users\илья\appdata\local\go!\application |
| %sysdrive%\илья-пк\backup set 2017-12-18 080633\backup files 2018-01-22 090410\backup files 1.zip\c\users\илья\appdata\local\go!\application |
| %sysdrive%\samsung\backup set 2017-12-13 135143\backup files 2018-03-15 103352\backup files 38.zip\c\users\admin\appdata\local\go!\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.
Geography:
| 71.1% | ||
| 5.1% | ||
| 4.3% | ||
| 4.3% | ||
| 2.0% | ||
| 2.0% | ||
| 1.6% | ||
| 1.6% | ||
| 1.6% | ||
| 1.2% | ||
| 1.2% | ||
| 1.2% | ||
| 0.8% | ||
| 0.4% | ||
| 0.4% | ||
| 0.4% | ||
| 0.4% | ||
| 0.4% | ||
| 0.4% |
The strongest geographic signal for this file is Russian Federation with 71.1% 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 | 51.8% | |
| Windows 7 | 37.3% | |
| Windows 8.1 | 9.4% | |
| Windows 8 | 1.6% |
The most common operating system signal for nacl64.exe is Windows 10 with 51.8% 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 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.
| Subsystem: | Windows GUI |
| PE Type: | pe |
| OS Bitness: | 64 |
| Image Base: | 0x0000000140000000 |
| Entry Address: | 0x003e00a0 |
PE Sections:
| Name | Size of data | MD5 |
| .text | 4259840 | 0278fa1f37431de51c6296e1d92e836c |
| .rdata | 1774592 | 1e29b7ef6642aed1b68fb0cd05704914 |
| .data | 17408 | 590c827feea97965ada17ecb6dc2c7df |
| .pdata | 239616 | f5d88d4b3315f20ef17d2d25800e0348 |
| .tls | 512 | 6b6111c5f7c4ca92b83ef929bb814047 |
| _RDATA | 33280 | ae12ee5339b4d5233eddd20d918b0218 |
| .rsrc | 53248 | dbba1863bfbccfb722c1cd646559e969 |
| .reloc | 24064 | d23855d8d9d64149caeaa07b019573b2 |
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.
More information:
