home

qca_zt.exe

Yuanyuan Mei

The application qca_zt.exe by Yuanyuan Mei has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Yuanyuan Mei  (signed and verified)

MD5:
17a886068a73047da73f82017be878f9

SHA-1:
74746a497d4c978c56e7b4594f01a5bfcb0da345

SHA-256:
85d3bc78c662a226edabb218c6cec100ebac6254c7bcdd1ffcd2c1c3465e2749

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
1/17/2026 2:09:26 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Elex (M)
17.1.22.12

File size:
416.3 KB (426,240 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\qca_zt.exe

Digital Signature
Signed by:
Yuanyuan Mei

Authority:
thawte, Inc.

Valid from:
1/11/2017 2:00:00 AM

Valid to:
4/21/2017 2:59:59 AM

Subject:
CN=Yuanyuan Mei, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
27228B1713C643E1C43F1D90A8686D41

File PE Metadata
Compilation timestamp:
12/28/2016 2:37:03 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x3C8A

Entry point:
E8, 70, 0E, 00, 00, E9, 2E, 83, 00, 00, 55, 8B, EC, 57, 8B, 7D, 0C, 85, FF, 74, 3B, 8B, 45, 08, 85, C0, 74, 34, 56, 8B, 30, 3B, F7, 74, 28, 57, 89, 38, E8, 2D, 1A, 00, 00, 59, 85, F6, 74, 1B, 56, E8, DB, 3F, 00, 00, 83, 3E, 00, 59, 75, 0F, 81, FE, 68, 59, 46, 00, 74, 07, 56, E8, 6A, 56, 00, 00, 59, 8B, C7, 5E, EB, 02, 33, C0, 5F, 5D, C3, 55, 8B, EC, 6A, 00, FF, 75, 08, E8, 6D, 35, 00, 00, 59, 59, 5D, C3, 55, 8B, EC, 56, 8B, F1, E8, DA, DE, FF, FF, F6, 45, 08, 01, 74, 07, 56, E8, 55, DD, FF, FF, 59, 8B, C6...
 
[+]

Code size:
371.5 KB (380,416 bytes)

Remove qca_zt.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.