GridinSoft Threat Intelligence
wzShellctx.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.ELEX. 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.ELEX
- Recommended action
- Scan and remove
- Last analysis
- 2023-07-26 23:47:36 (2 years ago)
- File hash
- ab15c5181d70b203ba7801077725ad88
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Adware.ELEX, 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 2017-05-28 04:14:04 (9 years ago); latest analysis 2023-07-26 23:47:36 (2 years ago).
Company metadata: Winziper Pvt Ltd.. Product metadata: WinZiper.
Signed by Chencheng Cai. 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 Adware category for related samples and common context.
File context
wzShellctx.dll is a Windows file recorded in the ThreatInfo database. It is associated with WinZiper. The reported company name is Winziper Pvt Ltd.. The current detection status is Adware.ELEX, based on the latest analysis from 2023-07-26 23:47:36 (2 years ago). ThreatInfo groups this verdict with Adware reports for broader family-level investigation.
If wzShellctx.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.ELEX.
File Details
| Product Name: | WinZiper |
| Company Name: | Winziper Pvt Ltd. |
| MD5: | ab15c5181d70b203ba7801077725ad88 |
| Size: | 174 KB |
| First Published: | 2017-05-28 04:14:04 (9 years ago) |
| Latest Published: | 2023-07-26 23:47:36 (2 years ago) |
| Status: | Adware.ELEX (on last analysis) | |
| Analysis Date: | 2023-07-26 23:47:36 (2 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: | Chencheng Cai |
| Status: | Invalid (digital signature could be stolen or file could be patched) |
The signature on wzShellctx.dll 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:
| %sysdrive%\docume~1\admini~1\locals~1\temp\ist439.tmp\tools\wzp\omigazip_patch |
| %temp%\ist8ebc.tmp\tools\wzp\omigazip_patch |
| %programfiles%\winzipper |
| %temp%\ist5cda.tmp\tools\wzp |
| %temp%\ist2480.tmp\tools\wzp |
| %temp%\ist71b6.tmp\tools\wzp |
| %sysdrive%\windows.old\users\trang\appdata\roaming\winziper\update\wzp_update_v2.2.74.exe\tools\wzp |
| %appdata%\winziper\update\wzp_update_v2.2.74.exe\tools\wzp |
| %sysdrive%\$recycle.bin\s-1-5-21-3350099545-4250576905-79459155-1001\$rex65c4.tmp\tools\wzp |
ThreatInfo has observed wzShellctx.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 wzShellctx.dll across 6 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Thailand with 22.2% 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 wzShellctx.dll is Windows 7 with 50.0% 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
wzShellctx.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.
50dfe28f728e2e0d2d9c47b8c82b6386
d7f16df4f029c3b175ddbaa8c5ac7d50
1f76a6c430cef43f951a7c05af60a9dd
de315a9a1ebc9cf5706e5817a1ef202e
9a6d0afa4b61b2e87ea5c593df8a3f47
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.ELEX
This report identifies wzShellctx.dll by MD5 ab15c5181d70b203ba7801077725ad88. 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.