GridinSoft Threat Intelligence

CHKWIN.EXE threat report

Detected as General Threat File reputation report
MD5 850b46cd7f3608c1f79e0e346e117306
Latest seen 2021-02-21 16:46:08 (5 years ago)
First seen 2021-02-21 16:32:36 (5 years ago)
Size 1 MB
Publisher AltaSoft
Signed by Alta-Soft OOO

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as General Threat. 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
General Threat
Recommended action
Scan and remove
Last analysis
2021-02-21 16:46:08 (5 years ago)
File hash
850b46cd7f3608c1f79e0e346e117306
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as General Threat.

Timeline

First seen 2021-02-21 16:32:36 (5 years ago); latest analysis 2021-02-21 16:46:08 (5 years ago).

Publisher context

Company metadata: AltaSoft. Product metadata: Проверка там. документов for Windows.

Digital signature

Signed by Alta-Soft OOO. The signature is not reported as trusted and valid, which can indicate tampering, repackaging, or copied publisher data.

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.

CHKWIN.EXE is a Windows file recorded in the ThreatInfo database. It is associated with Проверка там. документов for Windows. The reported company name is AltaSoft. The current detection status is General Threat, based on the latest analysis from 2021-02-21 16:46:08 (5 years ago).

If CHKWIN.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 General Threat.

Product Name: Проверка там. документов for Windows
Company Name: AltaSoft
MD5: 850b46cd7f3608c1f79e0e346e117306
Size: 1 MB
First Published: 2021-02-21 16:32:36 (5 years ago)
Latest Published: 2021-02-21 16:46:08 (5 years ago)
Status: General Threat (on last analysis)
Analysis Date: 2021-02-21 16:46:08 (5 years ago)
CHKWIN.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.

Signed By: Alta-Soft OOO
Status: Invalid (digital signature could be stolen or file could be patched)

The signature on CHKWIN.EXE is not reported as trusted and valid. Invalid or suspicious signature data can indicate tampering, repackaging, or an unrelated file using copied publisher information.

%sysdrive%\alta\update\temp
%sysdrive%

ThreatInfo has observed CHKWIN.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.

Windows 7 100.0%

The most common operating system signal for CHKWIN.EXE is Windows 7 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.

CHKWIN.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 0x00386600
Image base 0x00400000

PE Sections:

Sections 3
Raw data 1107968

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

UPX0 0 bytes · 0.0% of section data
Packer marker Uncommon name
MD5 d41d8cd98f00b204e9800998ecf8427e
UPX1 1096192 bytes · 98.9% of section data
Packer marker Uncommon name
MD5 c8e5828703f632ee68f92e4c7b0346c2
.rsrc 11776 bytes · 1.1% of section data
MD5 564a3e9491ac5c46d3845ca388c685e8

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 General Threat

This report identifies CHKWIN.EXE by MD5 850b46cd7f3608c1f79e0e346e117306. 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 850b46cd7f3608c1f79e0e346e117306.
  • 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.