GridinSoft Threat Intelligence
iSafeKrnlBoot.sys threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Adware.ELEX. 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.ELEX
- Recommended action
- Scan and remove
- Last analysis
- 2023-09-27 23:59:48 (2 years ago)
- File hash
- fc17957e7b5265f6d01defde9671ad7f
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Adware.ELEX, part of the Adware threat category.
Programs that inject advertising, change browser behavior, or monetize traffic through bundled components. Related Adware reports help compare this file with nearby detections, publishers, and hashes.
First seen 2017-05-29 22:07:44 (9 years ago); latest analysis 2023-09-27 23:59:48 (2 years ago).
Company metadata: Elex do Brasil Participações Ltda. Product metadata: YAC Security Protection.
Signed by Elex do Brasil Participações Ltda. 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. Review the Adware category for related samples and common context.
File context
iSafeKrnlBoot.sys is a Windows file recorded in the ThreatInfo database. It is associated with YAC Security Protection. The reported company name is Elex do Brasil Participações Ltda. The current detection status is Adware.ELEX, based on the latest analysis from 2023-09-27 23:59:48 (2 years ago). ThreatInfo groups this verdict with Adware reports for broader family-level investigation.
If iSafeKrnlBoot.sys 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.ELEX.
File Details
| Product Name: | YAC Security Protection |
| Company Name: | Elex do Brasil Participações Ltda |
| MD5: | fc17957e7b5265f6d01defde9671ad7f |
| Size: | 49 KB |
| First Published: | 2017-05-29 22:07:44 (9 years ago) |
| Latest Published: | 2023-09-27 23:59:48 (2 years ago) |
| Status: | Adware.ELEX (on last analysis) | |
| Analysis Date: | 2023-09-27 23:59:48 (2 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: | Elex do Brasil Participações Ltda |
| Status: | Valid |
The signature on iSafeKrnlBoot.sys 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:
| %programfiles%\elex-tech\yac |
| %system%\drivers |
| %system% |
| %programfiles%\elex-tech |
| %desktop%\9622-b\program files\elex-tech |
ThreatInfo has observed iSafeKrnlBoot.sys 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.
Geographic signal
Observed country distribution
ThreatInfo has seen iSafeKrnlBoot.sys across 7 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 55.6% 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 iSafeKrnlBoot.sys is Windows 7 with 81.5% 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
iSafeKrnlBoot.sys is identified as pe for 32-bit systems. The subsystem is Native. 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.
e9ea5923314f5e9105289a03e4f48143
f01ebed3c5beb7db9c0e11b4f8b256dc
98209b4d22f21cde218d496cef357b9d
d900ba0e7fa8131e76aa9d62958520ec
f24c451832fbf2ecd3910b82df3d7288
c5454bf4dd3faefc7add0c914245db1f
a9a1b267a58343b624de1ffc3a3926ab
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.ELEX
This report identifies iSafeKrnlBoot.sys by MD5 fc17957e7b5265f6d01defde9671ad7f. It is part of the Adware 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.