GridinSoft Threat Intelligence
O&O Defrag threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Ransom.Wacatac. 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
- Ransom.Wacatac
- Recommended action
- Scan and remove
- Last analysis
- 2023-03-26 23:36:50 (3 years ago)
- File hash
- 964210bbe9ccdd4289aafb49fe2eba8f
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Ransom.Wacatac, part of the Ransom threat category.
Ransomware families and files associated with encryption or extortion workflows. Related Ransom reports help compare this file with nearby detections, publishers, and hashes.
First seen 2023-03-26 23:36:50 (3 years ago); latest analysis 2023-03-26 23:36:50 (3 years ago).
Company metadata: O&O Software GmbH. Product metadata: O&O Defrag.
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 Ransom category for related samples and common context.
File context
O&O Defrag is a Windows file recorded in the ThreatInfo database. It is associated with O&O Defrag. The reported company name is O&O Software GmbH. The current detection status is Ransom.Wacatac, based on the latest analysis from 2023-03-26 23:36:50 (3 years ago). ThreatInfo groups this verdict with Ransom reports for broader family-level investigation.
If O&O Defrag 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 Ransom.Wacatac.
File Details
| Product Name: | O&O Defrag |
| Company Name: | O&O Software GmbH |
| MD5: | 964210bbe9ccdd4289aafb49fe2eba8f |
| Size: | 6 MB |
| First Published: | 2023-03-26 23:36:50 (3 years ago) |
| Latest Published: | 2023-03-26 23:36:50 (3 years ago) |
| Status: | Ransom.Wacatac (on last analysis) | |
| Analysis Date: | 2023-03-26 23:36:50 (3 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.
Common Places:
| %desktop% |
ThreatInfo has observed O&O Defrag 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.
OS Version:
The most common operating system signal for O&O Defrag 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
O&O Defrag 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.
d41d8cd98f00b204e9800998ecf8427e
d41d8cd98f00b204e9800998ecf8427e
22a875f0e5bd08028e5d6c9c3b90192d
d41d8cd98f00b204e9800998ecf8427e
d41d8cd98f00b204e9800998ecf8427e
d41d8cd98f00b204e9800998ecf8427e
4fda16fb1d9d636645844a56041a2a32
4807119ca53c6e3d1f35559dfb4aae64
274dd31e554291106e3ce42c955a451d
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 Ransom.Wacatac
This report identifies O&O Defrag by MD5 964210bbe9ccdd4289aafb49fe2eba8f. It is part of the Ransom 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.