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setup.exe

Chencheng Cai

The application setup.exe by Chencheng Cai has been detected as a potentially unwanted program by 3 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from 113.171.224.243 and multiple other hosts.
Publisher:
Chencheng Cai  (signed and verified)

MD5:
d8061190145c1003cdddbaf063305471

SHA-1:
a2841caef18c7850fd445f5849189567b99c1d06

SHA-256:
00d7946e595421ef55f0606b6544410e4766de508360df7cb4cbbad055be9967

Scanner detections:
3 / 68

Status:
Potentially unwanted

Analysis date:
12/25/2024 1:33:39 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/ELEX.DS potentially unwanted application
8.0.319.0

Norman
Trojan.NSIS.Androm.3
17.02.2016 05:18:35

Reason Heuristics
PUP.Elex.Chenchen.Installer.Meta (M)
16.7.1.16

File size:
3.2 MB (3,333,816 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\setup.exe

Digital Signature
Signed by:
Chencheng Cai

Authority:
thawte, Inc.

Valid from:
1/18/2016 1:00:00 AM

Valid to:
1/18/2017 12:59:59 AM

Subject:
CN=Chencheng Cai, 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:
3308CED5C19726541B196F805AC50CD0

File PE Metadata
Compilation timestamp:
12/27/2015 6:38:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:46kx9Iuu2m2FbDgfjzmtEMtiHOo/ytgIn/OCKdC6:Evm2pDBtiHO3/OM6

Entry address:
0x324F

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 57, 33, DB, 68, 01, 80, 00, 00, 89, 5C, 24, 1C, C7, 44, 24, 14, 30, 91, 40, 00, 33, F6, C6, 44, 24, 18, 20, FF, 15, B8, 70, 40, 00, FF, 15, B4, 70, 40, 00, 66, 3D, 06, 00, 74, 11, 53, E8, FC, 2D, 00, 00, 3B, C3, 74, 07, 68, 00, 0C, 00, 00, FF, D0, 68, E0, 91, 40, 00, E8, 7D, 2D, 00, 00, 68, D8, 91, 40, 00, E8, 73, 2D, 00, 00, 68, CC, 91, 40, 00, E8, 69, 2D, 00, 00, 6A, 0D, E8, CC, 2D, 00, 00, 6A, 0B, E8, C5, 2D, 00, 00, A3, 84, 3F, 42, 00, FF, 15, 34, 70, 40, 00, 53, FF...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file setup.exe has been seen being distributed by the following 5 URLs.

http://113.171.224.243/.../Setup.exe

http://113.171.224.165/.../Setup.exe

http://wpc.0952.edgecastcdn.net/800952/.../setup.exe

http://113.171.224.206/.../Setup.exe

http://t.qihutechs.com/update/new.2.0/wz/2.0.3/.../Setup.exe

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