qy-setup.exe

qy

The application qy-setup.exe has been detected as a potentially unwanted program by 14 anti-malware scanners. The program is a setup application that uses the Inno Setup installer, however the file is not signed with an authenticode signature from a trusted source. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages. The file has been seen being downloaded from www.nb195.com and multiple other hosts.
Publisher:
qy

Version:
3.5.0.0

MD5:
4985bcd25cf1a112031bfcb67ecfc1a8

SHA-1:
3831767f2d184ebf546d4c890573ea9541a21efa

SHA-256:
5b94821c55aeb6a2448e20efa2d4d1046ed2db34bb2d46b887d707b092fc3ed2

Scanner detections:
14 / 68

Status:
Potentially unwanted

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
12/26/2024 6:40:52 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Symmi.57198
460

Arcabit
Trojan.Symmi.DDF6E
1.0.0.585

Baidu Antivirus
Hacktool.Win32.ESVPN
4.0.3.15112

Bitdefender
Gen:Variant.Symmi.57198
1.0.20.1530

Dr.Web
Trojan.Siggen6.49226
9.0.1.0306

Emsisoft Anti-Malware
Gen:Variant.Symmi.57198
8.15.11.02.08

ESET NOD32
Win32/ESVPN.A potentially unsafe (variant)
9.12496

G Data
Gen:Variant.Symmi.57198
15.11.25

McAfee
Artemis!4985BCD25CF1
5600.6594

MicroWorld eScan
Gen:Variant.Symmi.57198
16.0.0.918

NANO AntiVirus
Trojan.Win32.Siggen6.dyieph
0.30.26.3947

Sophos
Generic PUA DI (PUA)
4.98

VIPRE Antivirus
Trojan.Win32.Generic
44934

Zillya! Antivirus
Adware.BrowseFox.Win32.123286
2.0.0.2484

File size:
1.8 MB (1,845,172 bytes)

Product version:
3.5.0.0

Copyright:
qy

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Common path:
C:\users\{user}\downloads\qy-setup.exe

File PE Metadata
Compilation timestamp:
6/20/1992 6:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
49152:/2a38IZrk01s+UdzgJ34sodeX5U7dvg7NLL+YGXM:e502+QzgJw0UJo7NfRGc

Entry address:
0x9B24

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, A2, 95, FF, FF, E8, A9, A7, FF, FF, E8, D4, C9, FF, FF, E8, 1B, CA, FF, FF, E8, 0E, F3, FF, FF, E8, 75, F4, FF, FF, 33, C0, 55, 68, DB, A1, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, A4, A1, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 9B, FE, FF, FF, E8, 02, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 04, D0, FF, FF, 8B, 55, F0, B8, EC, CD, 40, 00, E8, 53, 96, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, EC, CD, 40, 00, B2, 01, B8...
 
[+]

Entropy:
7.9928

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

The file qy-setup.exe has been seen being distributed by the following 7 URLs.

http://www.nb195.com/qy-setup.exe

http://www.stccc.cn/qy-setup.exe

http://www.3skj.com/qy-setup.exe

http://www.qiyuvpn.cn/qy-setup.exe

http://www.lz668.com/qy-setup.exe

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