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downloader.61184.exe

WindApp

NOSIBAY

The application downloader.61184.exe, “WindApp installer” by NOSIBAY has been detected as a potentially unwanted program by 2 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from it-cdn.win-offer.com and multiple other hosts. While running, it connects to the Internet address server-54-230-186-107.cdg51.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
NOSIBAY  (signed and verified)

Product:
WindApp

Description:
WindApp installer

Version:
3.0.643.0.61184

MD5:
93f4035d120ef850dc47f9266c2b1853

SHA-1:
70bbf606881980e66d0deb63711ee394ebd7c84c

Scanner detections:
2 / 68

Status:
Potentially unwanted

Analysis date:
11/8/2024 5:07:12 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3403

Reason Heuristics
PUP.Installer.NOSIBAY.P
14.7.25.5

File size:
168.1 KB (172,152 bytes)

Copyright:
© Store

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Documents and Settings\{user}\Local settings\temporary internet files\content.ie5\{random}\downloader.61184.exe

Digital Signature
Signed by:
NOSIBAY

Authority:
Thawte, Inc.

Valid from:
9/21/2013 2:00:00 AM

Valid to:
11/21/2014 12:59:59 AM

Subject:
CN=NOSIBAY, OU=Nosibay Secure Developement, O=NOSIBAY, L=PEROLS, S=Hérault, C=FR

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
4F1CA396B891ED381AFEECC074DB8714

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:yQIURTXJU9+5QTLZEG7bAPJ51+TeRd3HHEqrST3g6VlFQ:ysm+qTSIULvXH1rav

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file downloader.61184.exe has been seen being distributed by the following 7 URLs.

http://it-cdn.win-offer.com/downloader/it/BOO001/.../downloader.61184.exe

http://es-cdn.win-offer.com/downloader/es/BOO001/.../downloader.61184.exe

http://it-cdn.windapp.net/downloader/it/BOO001/.../downloader.61184.exe

http://es-cdn.windapp.net/downloader/es/BOO001/.../downloader.61184.exe

http://gb-cdn.windapp.net/downloader/gb/BOO001/.../downloader.61184.exe

http://fr-cdn.win-offer.com/downloader/fr/BOO001/.../downloader.61184.exe

http://fr-cdn.windapp.net/downloader/fr/BOO001/.../downloader.61184.exe

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to tacos.yabison.com  (188.165.192.12:80)

TCP (HTTP):
Connects to server-54-230-186-252.cdg51.r.cloudfront.net  (54.230.186.252:80)

TCP (HTTP):
Connects to server-54-230-186-107.cdg51.r.cloudfront.net  (54.230.186.107:80)

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