wzShellctx.dll threat report

MD5 ab15c5181d70b203ba7801077725ad88
Latest seen 2023-07-26 23:47:36 (2 years ago)
First seen 2017-05-28 04:14:04 (8 years ago)
Size 174 KB
Publisher Winziper Pvt Ltd.
Product WinZiper
Signed by Chencheng Cai

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
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Adware.ELEX.

Timeline

First seen 2017-05-28 04:14:04 (8 years ago); latest analysis 2023-07-26 23:47:36 (2 years ago).

Publisher context

Company metadata: Winziper Pvt Ltd.. Product metadata: WinZiper.

Digital signature

Signed by Chencheng Cai. The signature is not reported as trusted and valid, which can indicate tampering, repackaging, or copied publisher data.

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.

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).

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.

Product Name: WinZiper
Company Name: Winziper Pvt Ltd.
MD5: ab15c5181d70b203ba7801077725ad88
Size: 174 KB
First Published: 2017-05-28 04:14:04 (8 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)
wzShellctx.dll 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.

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.

%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.

22.2%
22.2%
22.2%
11.1%
11.1%
11.1%

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.

Windows 7 50.0%
Windows 8 20.0%
Windows XP 10.0%
Windows 8.1 10.0%
Windows 10 10.0%

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.

wzShellctx.dll is identified as pe for 32 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.

Subsystem: Windows GUI
PE Type: pe
OS Bitness: 32
Image Base: 0x10000000
Entry Address: 0x0000d6e1

PE Sections:

Name Size of data MD5
.text 89088 50dfe28f728e2e0d2d9c47b8c82b6386
.rdata 36352 d7f16df4f029c3b175ddbaa8c5ac7d50
.data 6144 1f76a6c430cef43f951a7c05af60a9dd
.rsrc 31744 de315a9a1ebc9cf5706e5817a1ef202e
.reloc 10752 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.

More information: