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wcinstaller.exe

The application wcinstaller.exe has been detected as a potentially unwanted program by 4 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from d1xar0myvbu1j9.cloudfront.net.
MD5:
12c226257f4ecf8e7ac63115f57ebc0f

SHA-1:
d4843b6c73feb638cda0a599c42d45bcf3dd59ca

SHA-256:
698f9d9d3706afe9668428aaa2f149ed53aeac513fc87b3969ff38b51f3acf69

Scanner detections:
4 / 68

Status:
Potentially unwanted

Analysis date:
5/2/2024 12:42:45 PM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.ClickMeIn.6966
9.0.1.05190

ESET NOD32
multiple threats
8.0.319.0

Reason Heuristics
Adware.CMI.DB (M)
16.3.30.2

File size:
777.5 KB (796,129 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\wcinstaller.exe

File PE Metadata
Compilation timestamp:
2/24/2012 9:19:49 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:b3k2b4BZ687pajUOepS3fJVRge1wwuhk6JGwZU:ajdajhe+RzuwD

Entry address:
0x39E9

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, A1, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 90, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 90, 40, 00, 55, FF, 15, C0, 92, 40, 00, 6A, 08, A3, F8, 26, 7F, 00, E8, 36, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, 10, 26, 7F, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, A3, 40, 00, FF, 15, 84, 91, 40, 00, 68, 04, A3, 40, 00, 68, 00, A6, 7E, 00, E8, 18, 27, 00, 00, FF, 15, B4, 90, 40, 00, 50, BF, A0, 30, 84, 00, 57, E8, 06, 27, 00, 00...
 
[+]

Entropy:
7.9363

Packer / compiler:
Nullsoft install system v2.x

Code size:
28.5 KB (29,184 bytes)

The file wcinstaller.exe has been seen being distributed by the following URL.

http://d1xar0myvbu1j9.cloudfront.net/WCInstaller.exe

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