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icreinstall_kgb keylogger 4.2_isdmgr.exe

Ringier Axel Springer Polska sp. z o.o.

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_kgb keylogger 4.2_isdmgr.exe by Ringier Axel Springer Polska sp. z o.o has been detected as adware by 24 anti-malware scanners. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from download.komputerswiat.pl. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
Ringier Axel Springer Polska sp. z o.o.  (signed and verified)

MD5:
b3153ae8a43aca03acd583c70d34559f

SHA-1:
93fde9196ef181bc7ed456c292192e5fa5a4a631

SHA-256:
d49bb954ccfd64c37550af47df95d1965d0b54961acc758a0dafc79709c64178

Scanner detections:
24 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/26/2024 8:02:24 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.145.12

AVG
MalSign.Generic
2015.0.3468

Comodo Security
ApplicUnwnt
18158

Dr.Web
Trojan.Packed.25266
9.0.1.0141

ESET NOD32
Win32/InstallCore.JE.gen (variant)
8.9714

Fortinet FortiGate
Riskware/InstallCore_JE
5/21/2014

K7 AntiVirus
Unwanted-Program
13.176.11861

Malwarebytes
PUP.Optional.Installcore
v2014.05.21.02

McAfee
Artemis!B3153AE8A43A
5600.7124

Qihoo 360 Security
Win32/Virus.Adware.94c
1.0.0.1015

Reason Heuristics
PUP.RingierAxelSpringerPolskaspzoo.d
14.6.12.9

Trend Micro House Call
TROJ_GEN.F47V0419
7.2.141

Vba32 AntiVirus
Downware.InstallCore
3.12.26.0

VIPRE Antivirus
Adware.Win32.InstallCore.ba
28560

File size:
583.6 KB (597,632 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_kgb keylogger 4.2_isdmgr.exe

Digital Signature
Signed by:
Ringier Axel Springer Polska sp. z o.o.

Authority:
COMODO CA Limited

Valid from:
1/28/2014 1:00:00 AM

Valid to:
1/29/2015 12:59:59 AM

Subject:
CN=Ringier Axel Springer Polska sp. z o.o., O=Ringier Axel Springer Polska sp. z o.o., STREET=Domaniewska 52, L=Warsaw, S=Poland, PostalCode=02-672, C=PL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00F58C43870A319F9A7934DFE1C1760EB1

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:OvpiDxkIt3ynO2QfDecv1a9mq/QFWleJ:OvQDztinlQfDTo9qFWle

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

The file icreinstall_kgb keylogger 4.2_isdmgr.exe has been seen being distributed by the following URL.

http://download.komputerswiat.pl/umbraco/webservices/.../8e4JQslo4fNuBLjpl6dMkGnI WdtzS6 tspj3bmfZQ==&version=4.2&md5=eca044b1cad004c79fd0abee64ff4420

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

TCP (HTTP):
Connects to os.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdnus.solvefile.com  (207.189.109.121:80)

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