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qca_ht.exe

Xin Zhou

The application qca_ht.exe by Xin Zhou has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup program which is used to install the application. The file has been seen being downloaded from d3tufnia3qwp0y.cloudfront.net and multiple other hosts.
Publisher:
Xin Zhou  (signed and verified)

Version:
201606031817

MD5:
1a48069abf4c6523fa8abe12d2317624

SHA-1:
caf73500ab4071664bb3736ed73f88fd0e7b85d3

SHA-256:
c4a0dd4fc7d6b180c2bf80fb5e131926f3899b4c9552fa308bf0012c0e043a81

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
6/23/2025 5:43:14 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.XinZhou (M)
16.6.3.12

File size:
368 KB (376,816 bytes)

Product version:
201606031817

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

Digital Signature
Signed by:
Xin Zhou

Authority:
thawte, Inc.

Valid from:
6/3/2016 7:00:00 AM

Valid to:
3/23/2017 6:59:59 AM

Subject:
CN=Xin Zhou, 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:
58522DA032150722BF996749A8C9F660

File PE Metadata
Compilation timestamp:
6/3/2016 5:25:19 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:ox1lZ3PyAzjf1JgTTyI0/1gRvx5E0bVvC4CkvaR2:oxPZ3PyA3f1ME1gRZLhvRE2

Entry address:
0x2C158

Entry point:
E8, 08, 8B, 00, 00, E9, 7F, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 7F, 0F, B6, 44, 24, 08, 0F, BA, 25, F0, C0, 45, 00, 01, 73, 0D, 8B, 4C, 24, 0C, 57, 8B, 7C, 24, 08, F3, AA, EB, 5D, 8B, 54, 24, 0C, 81, FA, 80, 00, 00, 00, 7C, 0E, 0F, BA, 25, C4, AB, 45, 00, 01, 0F, 82, 1A, 90, 00, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0...
 
[+]

Code size:
288 KB (294,912 bytes)

The file qca_ht.exe has been seen being distributed by the following 6 URLs.

http://d3tufnia3qwp0y.cloudfront.net/.../nby_zc.exe

http://d3tufnia3qwp0y.cloudfront.net/.../nbybr_su.exe

http://d3tufnia3qwp0y.cloudfront.net/.../ftp_ht.exe

http://d3tufnia3qwp0y.cloudfront.net/.../clc_jq.exe

http://d3tufnia3qwp0y.cloudfront.net/.../wsy_ly.exe

http://d2xvc2nqkduarq.cloudfront.net/.../isr_jq.exe

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