GridinSoft Threat Intelligence
8F4D9E7B2B38E8C1.vir threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Adware.SweetIM. 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
- Adware.SweetIM
- Recommended action
- Scan and remove
- Last analysis
- 2026-03-03 23:01:06 (2 months ago)
- File hash
- 219c39586b1326e76939a7d474ce5624
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Adware.SweetIM.
First seen 2017-05-22 02:08:57 (9 years ago); latest analysis 2026-03-03 23:01:06 (2 months ago).
Company metadata: Pokki. Product metadata: Host App Service Interface.
Signed by SweetLabs Inc.. 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.
File context
8F4D9E7B2B38E8C1.vir is a Windows file recorded in the ThreatInfo database. It is associated with Host App Service Interface. The reported company name is Pokki. The current detection status is Adware.SweetIM, based on the latest analysis from 2026-03-03 23:01:06 (2 months ago).
If 8F4D9E7B2B38E8C1.vir 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 Adware.SweetIM.
File Details
| Product Name: | Host App Service Interface |
| Company Name: | Pokki |
| MD5: | 219c39586b1326e76939a7d474ce5624 |
| Size: | 1 MB |
| First Published: | 2017-05-22 02:08:57 (9 years ago) |
| Latest Published: | 2026-03-03 23:01:06 (2 months ago) |
| Status: | Adware.SweetIM (on last analysis) | |
| Analysis Date: | 2026-03-03 23:01:06 (2 months 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: | SweetLabs Inc. |
| Status: | Valid |
The signature on 8F4D9E7B2B38E8C1.vir 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%\host app service\engine |
| %sysdrive%\adwcleaner\quarantine\files\ozasauktordlmukypcuyexkzbfzvpsvl\engine |
| %sysdrive%\adwcleaner\quarantine\files\iwenoytwgioqipcdaaftjpietpbpnddz\engine |
| %sysdrive%\adwcleaner\quarantine\jbdt3hvofo\engine |
| %sysdrive%\adwcleaner\quarantine\smlaztxc1o\engine |
| %sysdrive%\adwcleaner\quarantine\x3cf3ednhm\engine |
| %sysdrive%\adwcleaner\quarantine\1xvpfvjcrg\engine |
| %sysdrive%\adwcleaner\quarantine\fraqbc8wsa\engine |
| %sysdrive%\adwcleaner\quarantine\rywtiizs2t\engine |
| %sysdrive%\adwcleaner\quarantine\rqf69azbla\engine |
ThreatInfo has observed 8F4D9E7B2B38E8C1.vir 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 8F4D9E7B2B38E8C1.vir across 70 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Czech Republic with 13.3% 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 8F4D9E7B2B38E8C1.vir is Windows 10 with 99.3% 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
8F4D9E7B2B38E8C1.vir 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.
0725bf52fcedcf91e480043aca136e55
64dce6141a75165fce1518eeb273e2bd
e680e429ae45127222f3997549b14698
d289cadeb055a1cb06f1bd2db75b1271
c2cf7b12891e963ba1b17a22de03508d
a6643ae545092962a14d7bee1a5b20fe
bf619eac0cdf3f68d496ea9344137e8b
4904832e8b91aeffc6191c7dce4c3eb4
489f39898f1b2e89f8094087170bc49f
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 Adware.SweetIM
This report identifies 8F4D9E7B2B38E8C1.vir by MD5 219c39586b1326e76939a7d474ce5624. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.