JetCleanRegDefrag.exe threat report

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Analyst brief

What this report says

GridinSoft Anti-Malware detects JetCleanRegDefrag.exe as PUP.BlueSprig. The sample was last observed on 2021-01-08 19:17:26 (5 years ago) and reports publisher metadata associated with BlueSprig / JetClean Registry Defrag.

This page combines the detection verdict with file identity, publisher metadata, alternate names, observed paths, geography, OS signals, and PE details so the report reads as a triage record rather than a standalone download page.

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as PUP.BlueSprig. 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.BlueSprig

Recommended action

Scan and remove

Last analysis

2021-01-08 19:17:26 (5 years ago)

File hash

7cda28406056af095026a99ad8d2f90c

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Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as PUP.BlueSprig.

Timeline

First seen 2017-05-30 22:01:02 (8 years ago); latest analysis 2021-01-08 19:17:26 (5 years ago).

Publisher context

Company metadata: BlueSprig. Product metadata: JetClean Registry Defrag.

Digital signature

Signed by BlueSprig, Inc.. The signature is reported as valid, but signed files can still be bundled or abused.

Observed locations

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

1. Compare the MD5 above with the file found on the device.
2. Check whether the file appears in the observed locations or under one of the alternate names.
3. Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present.

JetCleanRegDefrag.exe is a Windows file recorded in the ThreatInfo database. It is associated with JetClean Registry Defrag. The reported company name is BlueSprig. The current detection status is PUP.BlueSprig, based on the latest analysis from 2021-01-08 19:17:26 (5 years ago).

If JetCleanRegDefrag.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.BlueSprig.

File Details

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

The signature on JetCleanRegDefrag.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.

ThreatInfo has observed JetCleanRegDefrag.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 JetCleanRegDefrag.exe across 9 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Thailand

Share 31.6%

Low High activity

The strongest geographic signal for this file is Thailand with 31.6% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

The most common operating system signal for JetCleanRegDefrag.exe is Windows 7 with 63.2% 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

JetCleanRegDefrag.exe is identified as pe for 64-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 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.BlueSprig

This report identifies JetCleanRegDefrag.exe by MD5 7cda28406056af095026a99ad8d2f90c. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.

Download GridinSoft Anti-Malware Scan the device and confirm whether this exact hash is present. Check this hash on VirusTotal

Recommended next steps

• Compare the local file MD5 with 7cda28406056af095026a99ad8d2f90c.
• Check the file path, publisher, and signature against the details in this report.
• Run a GridinSoft scan and remove the object if the same hash is found.