GridinSoft Threat Intelligence
HostAppService (1).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.Pokki. 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.Pokki
- Recommended action
- Scan and remove
- Last analysis
- 2025-05-06 23:02:17 (a year ago)
- File hash
- e051ddf4114932c45c67e9d91733753f
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as PUP.Pokki, 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 2017-05-21 22:06:17 (9 years ago); latest analysis 2025-05-06 23:02:17 (a year ago).
Company metadata: Pokki. Product metadata: Host App Service.
Signed by Pokki. The signature is reported as valid, but signed files can still be bundled or abused.
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. Review the PUP category for related samples and common context.
File context
HostAppService (1).exe is a Windows file recorded in the ThreatInfo database. It is associated with Host App Service. The reported company name is Pokki. The current detection status is PUP.Pokki, based on the latest analysis from 2025-05-06 23:02:17 (a year ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.
If HostAppService (1).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.Pokki.
File Details
| Product Name: | Host App Service |
| Company Name: | Pokki |
| MD5: | e051ddf4114932c45c67e9d91733753f |
| Size: | 7 MB |
| First Published: | 2017-05-21 22:06:17 (9 years ago) |
| Latest Published: | 2025-05-06 23:02:17 (a year ago) |
| Status: | PUP.Pokki (on last analysis) | |
| Analysis Date: | 2025-05-06 23:02:17 (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: | Pokki |
| Status: | Valid |
The signature on HostAppService (1).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%\pokki\engine |
| %appdata%\zhp\quarantine\pokki\pokki\engine |
| %sysdrive%\adwcleaner\quarantine\files\rsotlyhxseehpekdwtsolqxpayvwrbtx\engine |
| %sysdrive%\adwcleaner\quarantine\files\qtvvoantewfespnpphfxtqfgvkpxosea\engine |
| %sysdrive%\adwcleaner\quarantine\files\zkkcohtexeglkekgnljsecpaksxwzkpx\engine |
| %sysdrive%\adwcleaner\quarantine\idcdjoyapn\engine |
| %sysdrive%\adwcleaner\quarantine\exuieaoeii\engine |
| %sysdrive%\windows.old\users\default\appdata\local\pokki\engine |
| %sysdrive%\adwcleaner\quarantine\rqf69azbla\engine |
| %sysdrive%\adwcleaner\quarantine\8yfogkjxrr\engine |
ThreatInfo has observed HostAppService (1).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:
4 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 HostAppService (1).exe across 57 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is United Kingdom with 17.4% 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 HostAppService (1).exe is Windows 10 with 52.6% 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
HostAppService (1).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.
4788cf2d1f5fcf7be629da16af9cf387
89f6963ecd3e97dc3413dfb8bc7bff4d
8b847cc6d86ed26bc5ed82b9caa2d430
bf619eac0cdf3f68d496ea9344137e8b
118a1f3b4be6e49804725d7d30932cfb
9fa2f45b40d844e5c914cd57f9a7bb73
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.Pokki
This report identifies HostAppService (1).exe by MD5 e051ddf4114932c45c67e9d91733753f. 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.