GridinSoft Threat Intelligence
SmartDefrag.exe threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Trojan.Gen. 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
- Trojan.Gen
- Recommended action
- Scan and remove
- Last analysis
- 2021-07-28 20:56:28 (4 years ago)
- File hash
- f4f274043d412991710bb42a7b583a7d
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Gen, part of the Trojan threat category.
Malware disguised as legitimate software or delivered through deceptive packaging. Related Trojan reports help compare this file with nearby detections, publishers, and hashes.
First seen 2021-07-28 20:56:28 (4 years ago); latest analysis 2021-07-28 20:56:28 (4 years ago).
Company metadata: IObit. Product metadata: Smart Defrag.
Signed by IObit CO., LTD. The signature is not reported as trusted and valid, which can indicate tampering, repackaging, or copied publisher data.
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 Trojan category for related samples and common context.
File context
SmartDefrag.exe is a Windows file recorded in the ThreatInfo database. It is associated with Smart Defrag. The reported company name is IObit. The current detection status is Trojan.Gen, based on the latest analysis from 2021-07-28 20:56:28 (4 years ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.
If SmartDefrag.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 Trojan.Gen.
File Details
| Product Name: | Smart Defrag |
| Company Name: | IObit |
| MD5: | f4f274043d412991710bb42a7b583a7d |
| Size: | 5 MB |
| First Published: | 2021-07-28 20:56:28 (4 years ago) |
| Latest Published: | 2021-07-28 20:56:28 (4 years ago) |
| Status: | Trojan.Gen (on last analysis) | |
| Analysis Date: | 2021-07-28 20:56:28 (4 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: | IObit CO., LTD |
| Status: | Invalid (digital signature could be stolen or file could be patched) |
The signature on SmartDefrag.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%\iobit |
ThreatInfo has observed SmartDefrag.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.
Geographic signal
Observed country distribution
ThreatInfo has seen SmartDefrag.exe across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Iran, Islamic Republic of with 100.0% 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 SmartDefrag.exe is Windows 10 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.
Analysis
SmartDefrag.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.
c2edf364c0623b97385327aa9c1a2fac
b6d231ef938cddaffdfab2eff2b81723
cc8dc1277ea5a359604b233bd8e167eb
d41d8cd98f00b204e9800998ecf8427e
ae6fce8a3d629aed466cdfb1c3abedcc
a38575ce1f7cefb54ab7a5b936085833
d41d8cd98f00b204e9800998ecf8427e
41572acede8541bc69eac39ea30f2777
7068a2b3b4ade278e3a8f4269a10a9ee
e88e43a2630420f03a97beb1a10a9afa
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 Trojan.Gen
This report identifies SmartDefrag.exe by MD5 f4f274043d412991710bb42a7b583a7d. It is part of the Trojan 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.