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avgb897.exe

SilentInstaller

The application avgb897.exe has been detected as a potentially unwanted program by 30 anti-malware scanners. This is a setup and installation application, however the file is not signed with an authenticode signature from a trusted source. According to AVG, this software downloads additional adware offers during setup. The file has been seen being downloaded from d3aecmmmp8gp26.cloudfront.net.
Product:
SilentInstaller

Version:
1.0.0.1

MD5:
4a293653c2cab1a57493460c7bf0597a

SHA-1:
f14e2dc8d21855f6ef7ccd0e1100811da3bd20df

SHA-256:
10f4a4e20e803aa6ca34b4152126cb9088f251366f0af12bc6de1586d2a5a643

Scanner detections:
30 / 68

Status:
Potentially unwanted

Explanation:
The software may change the browser's home page and search provider settings as well as display advertisements.

Analysis date:
12/25/2024 3:30:24 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.Kazy.721855
5736169

Agnitum Outpost
PUA.Imali
7.1.1

AhnLab V3 Security
PUP/Win32.OfferInstaller
2015.12.02

Avira AntiVirus
TR/Dropper.MSIL.Gen
8.3.2.4

Arcabit
Trojan.Adware.Kazy.DB03BF
1.0.0.627

avast!
Win32:Dropper-gen [Drp]
2014.9-151208

AVG
Downloader
2016.0.2902

Baidu Antivirus
Adware.MSIL.Imali
4.0.3.15128

Bitdefender
Gen:Variant.Adware.Kazy.721855
1.0.20.1710

Comodo Security
ApplicUnwnt
23688

Dr.Web
Trojan.Crossrider1.54918
9.0.1.0342

Emsisoft Anti-Malware
Gen:Variant.Adware.Kazy.721855
10.0.0.5366

ESET NOD32
MSIL/Adware.Imali.C application
7.0.302.0

Fortinet FortiGate
Adware/Imali
12/8/2015

F-Secure
Gen:Variant.Adware.Kazy
5.15.21

G Data
Gen:Variant.Adware.Kazy.721855
15.12.25

IKARUS anti.virus
AdWare.MSIL.Imali
t3scan.1.9.5.0

K7 AntiVirus
Adware
13.212.18026

Kaspersky
UDS:DangerousObject.Multi.Generic
14.0.0.1004

Malwarebytes
PUP.Optional.Bundler
v2015.12.08.05

McAfee
RDN/Generic PUP.x
5600.6558

MicroWorld eScan
Gen:Variant.Adware.Kazy.721855
16.0.0.1026

NANO AntiVirus
Trojan.Win32.Crossrider1.dymhtp
0.30.26.4751

Norman
Gen:Variant.Adware.Kazy.721855
28.10.2015 12:55:53

Panda Antivirus
Trj/GdSda.A
15.12.08.05

Sophos
Generic PUA PB (PUA)
4.98

SUPERAntiSpyware
Adware.Kazy/Variant
9461

Trend Micro
TROJ_GEN.R01TC0OK715
10.465.08

VIPRE Antivirus
MSIL.Adware.Imali
45554

ViRobot
Adware.Imali.398336[h]
2014.3.20.0

File size:
389 KB (398,336 bytes)

Product version:
1.0.0.1

Copyright:
Copyright © 2014

Original file name:
SilentInstaller_dotnet4.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\avgb897.exe

File PE Metadata
Compilation timestamp:
11/1/2015 6:16:22 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:SiDcDx+HFZT8qbTR7SquD4L8vioH/X8i9DLnHWcefjVo8bS5VmNdwQgM0oL:LcDEZwgVxGq86oH/MKvnolgqqK

Entry address:
0x6206E

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, 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, 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, 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, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
7.5987

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

Code size:
384.5 KB (393,728 bytes)

The file avgb897.exe has been seen being distributed by the following URL.

http://d3aecmmmp8gp26.cloudfront.net/SilentInstaller_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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