GridinSoft Threat Intelligence
SmartAction.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
- 2023-01-04 23:23:11 (3 years ago)
- File hash
- c1dd873243befea71d0dc939f38f5afd
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Adware.Kuaiba, 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 2017-05-21 04:03:19 (9 years ago); latest analysis 2023-01-04 23:23:11 (3 years ago).
Product metadata: SmartAct 动态链接库.
Signed by 深圳市猫哈网络科技发展有限公司. 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. Review the Adware category for related samples and common context.
File context
SmartAction.dll is a Windows file recorded in the ThreatInfo database. It is associated with SmartAct 动态链接库. The current detection status is Adware.Kuaiba, based on the latest analysis from 2023-01-04 23:23:11 (3 years ago). ThreatInfo groups this verdict with Adware reports for broader family-level investigation.
If SmartAction.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: | SmartAct 动态链接库 |
| MD5: | c1dd873243befea71d0dc939f38f5afd |
| Size: | 416 KB |
| First Published: | 2017-05-21 04:03:19 (9 years ago) |
| Latest Published: | 2023-01-04 23:23:11 (3 years ago) |
| Status: | Adware.Kuaiba (on last analysis) | |
| Analysis Date: | 2023-01-04 23:23:11 (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.
Overview
| Signed By: | 深圳市猫哈网络科技发展有限公司 |
| Status: | Valid |
The signature on SmartAction.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:
| %programfiles%\maoha\maohaap |
| %sysdrive%\adwcleaner\quarantine\files\hqwcouoiidlkcdajrpouhcgvlpxpqmpq\maohaap |
| %programfiles%\greatmaker\maohawifi |
| %programfiles%\greatmaker |
| %programfiles%\maoha |
| %sysdrive%\adwcleaner\quarantine\files\ydnmbaqijnfabvujyxwxbtqpmxdpfwxp |
| %localappdata%\maoha |
| %sysdrive%\adwcleaner\quarantine\rqf69azbla |
| %sysdrive%\adwcleaner\quarantine\files\xbzpuoqckzzskvdyctdxxxboqznebgjr |
ThreatInfo has observed SmartAction.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 SmartAction.dll across 48 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Vietnam with 28.7% 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 SmartAction.dll is Windows 7 with 72.5% 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
SmartAction.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.
88e793f53f61cec2394750206fb7b774
63f94973625d47ff90bb9bc59592769d
3394832a72b19a8854830a980599f178
8be3a1948777bc1d8341711fee8090cb
a7390bcfc4e66d0ca06f2822a82cc827
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 SmartAction.dll by MD5 c1dd873243befea71d0dc939f38f5afd. 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.