GridinSoft Threat Intelligence
A0004187.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.SystemOptimizer. 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.SystemOptimizer
- Recommended action
- Scan and remove
- Last analysis
- 2025-04-12 23:01:39 (a year ago)
- File hash
- 99148bc285d3911283257f3a4e93e975
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as PUP.SystemOptimizer.
First seen 2017-06-22 13:02:20 (8 years ago); latest analysis 2025-04-12 23:01:39 (a year ago).
Company metadata: 360Amigo. Product metadata: 360Amigo System Speedup.
Signed by Business Bakers. The signature is not reported as trusted and valid, which can indicate tampering, repackaging, or copied publisher data.
This hash has appeared under multiple file names, which can happen with repackaging, bundling, or deliberate renaming.
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
A0004187.exe is a Windows file recorded in the ThreatInfo database. It is associated with 360Amigo System Speedup. The reported company name is 360Amigo. The current detection status is PUP.SystemOptimizer, based on the latest analysis from 2025-04-12 23:01:39 (a year ago).
If A0004187.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.SystemOptimizer.
File Details
| Product Name: | 360Amigo System Speedup |
| Company Name: | 360Amigo |
| MD5: | 99148bc285d3911283257f3a4e93e975 |
| Size: | 5 MB |
| First Published: | 2017-06-22 13:02:20 (8 years ago) |
| Latest Published: | 2025-04-12 23:01:39 (a year ago) |
| Status: | PUP.SystemOptimizer (on last analysis) | |
| Analysis Date: | 2025-04-12 23:01:39 (a year 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: | Business Bakers |
| Status: | Invalid (digital signature could be stolen or file could be patched) |
The signature on A0004187.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.
Common Places:
| %programfiles%\360amigo |
| %programfiles%\360amigo.$quar |
| %sysdrive%\system volume information\_restore{f1ad6859-8332-42b0-9649-8fad246add1c} |
| %sysdrive%\recycler |
| %programfiles% |
| %sysdrive%\=zaloha=\aleš\desktop\360 amigo system speedup pro v1.2.1.7900\360amigo system speedup\virtual\modified\@programfiles@ |
| %sysdrive%\portableapps.com\portableapps\360amigoportable\app |
| %sysdrive% |
| %sysdrive%\bk programs |
| %desktop%\spy |
ThreatInfo has observed A0004187.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.
File Names:
5 observed namesThis hash has been seen with multiple file names. Alternate names can appear when software is updated, copied between folders, packed by an installer, or deliberately renamed to avoid recognition. Compare the exact MD5 above before assuming two names refer to the same file.
Geographic signal
Observed country distribution
ThreatInfo has seen A0004187.exe across 19 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Poland with 30.7% 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 A0004187.exe is Windows 7 with 39.6% 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
A0004187.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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
0ac3301a9f1ff027404b74878172aba3
1a2bdebe4e566992dfb67edf200e199c
00000000000000000000000000000000
2ab0e90d3bdeab7d79448a533c0b8a76
00000000000000000000000000000000
ef1c742f44fe9c7750414a8453f39445
2ad671a5e7143e665bbd55271478e2f3
8cd2523602c44f6441e01753ade4bebd
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.SystemOptimizer
This report identifies A0004187.exe by MD5 99148bc285d3911283257f3a4e93e975. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.