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mvo75da.exe

OfferInstaller

The application mvo75da.exe has been detected as a potentially unwanted program by 10 anti-malware scanners. This is a setup and installation application, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from direct.downthat.com.
Product:
OfferInstaller

Version:
1.0.0.1

MD5:
bdbdc4b1cb2d530048e31736d68d47e8

SHA-1:
9b2c886ca5d0ed0309348f984cb0ed9cb888ee85

SHA-256:
55a91dd06db6f58143d29abe1dcb06e48a3fbed2b57f2045b837fd663699fe95

Scanner detections:
10 / 68

Status:
Potentially unwanted

Analysis date:
12/25/2024 4:18:56 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
MSIL:Downloader-NG [PUP]
2014.9-150330

Baidu Antivirus
Adware.MSIL.Imali
4.0.3.15330

Bkav FE
HW32.Packed
1.3.0.6379

ESET NOD32
MSIL/Adware.Imali (variant)
9.11396

G Data
MSIL.Adware.OfferInstaller
15.3.25

herdProtect (fuzzy)
variant of mvof48b.exe
2015.7.4.8

IKARUS anti.virus
AdWare.MSIL.Imali
t3scan.1.8.9.0

Kaspersky
not-a-virus:AdWare.MSIL.Agent
14.0.0.2268

Malwarebytes
PUP.Optional.OfferInstaller.C
v2015.03.30.09

Sophos
Offer Installer
4.98

File size:
298 KB (305,152 bytes)

Product version:
1.0.0.1

Copyright:
Copyright © 2014

Original file name:
OfferInstaller_dotnet4.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\mvo75da.exe

File PE Metadata
Compilation timestamp:
3/29/2015 1:34:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:BFZT8qbTR7SquD4L8vioH/X8i9DLnHWcefjVo8bS5V/NZi4L:LZwgVxGq86oH/MKvnolg/zL

Entry address:
0x4B5EE

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 02, 00, 10, 00, 00, 00, 20, 00, 00, 80, 18, 00, 00, 00, 38, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 01, 00, 00, 00, 50, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 01, 00, 00, 00, 68, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 00, 00, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
7.9198

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
293.5 KB (300,544 bytes)

The file mvo75da.exe has been seen being distributed by the following URL.

http://direct.downthat.com/.../OfferInstaller_dotnet4.exe

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

TCP (HTTP):
Connects to ec2-52-1-45-42.compute-1.amazonaws.com  (52.1.45.42:80)

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