GridinSoft Threat Intelligence
PreviewExt.dll threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Adware.Kuaiba. 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.Kuaiba
- Recommended action
- Scan and remove
- Last analysis
- 2021-10-04 20:58:25 (4 years ago)
- File hash
- 3a2b82d571c29b96deae60d1294204eb
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Adware.Kuaiba.
First seen 2021-10-04 20:58:25 (4 years ago); latest analysis 2021-10-04 20:58:25 (4 years ago).
Company metadata: 上海展盟网络科技有限公司. Product metadata: ABC看图.
Signed by 上海展盟网络科技有限公司. 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.
File context
PreviewExt.dll is a Windows file recorded in the ThreatInfo database. It is associated with ABC看图. The reported company name is 上海展盟网络科技有限公司. The current detection status is Adware.Kuaiba, based on the latest analysis from 2021-10-04 20:58:25 (4 years ago).
If PreviewExt.dll 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.Kuaiba.
File Details
| Product Name: | ABC看图 |
| Company Name: | 上海展盟网络科技有限公司 |
| MD5: | 3a2b82d571c29b96deae60d1294204eb |
| Size: | 1 MB |
| First Published: | 2021-10-04 20:58:25 (4 years ago) |
| Latest Published: | 2021-10-04 20:58:25 (4 years ago) |
| Status: | Adware.Kuaiba (on last analysis) | |
| Analysis Date: | 2021-10-04 20:58:25 (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: | 上海展盟网络科技有限公司 |
| Status: | Valid |
The signature on PreviewExt.dll 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:
| %temp% |
ThreatInfo has observed PreviewExt.dll 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 PreviewExt.dll 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 Italy 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 PreviewExt.dll 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
PreviewExt.dll 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.
6a989db2d31c89224a83b5202e0a84ac
d371c4e15840a5a43954dd0d55103b1e
06708d6feefa33cb91fafa2db4e58a09
658ddd3d21ce6ea9f81b249ae5362cb3
bf619eac0cdf3f68d496ea9344137e8b
ee5ecd3af6a8b9fe0fe0409464b1fdc1
71811c454d0f95b87420db240239bb95
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.Kuaiba
This report identifies PreviewExt.dll by MD5 3a2b82d571c29b96deae60d1294204eb. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.