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rusfolder_downloader.exe

LLC Samson

The application rusfolder_downloader.exe by LLC Samson has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup program which is used to install the application. The file has been seen being downloaded from mtye5tvrabthhja.do-eic.ru.
Publisher:
LLC Samson  (signed and verified)

Version:
1.0.0.0

MD5:
db0fe299e3d995636252ee82ec4e82db

SHA-1:
de362bfd6d5503f20c6cf2532eb0a762792c8ae1

SHA-256:
9383bcb151355da21d4eb7086fcf314c75832ca02397236e531c9cd4c63313a1

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
5/18/2024 9:28:51 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallMonster.Samson (M)
16.5.5.7

File size:
6.1 MB (6,441,032 bytes)

Product version:
1.0.0.0

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\downloads\rusfolder_downloader.exe

Digital Signature
Signed by:
LLC Samson

Authority:
COMODO CA Limited

Valid from:
2/10/2015 3:00:00 AM

Valid to:
2/11/2016 2:59:59 AM

Subject:
CN=LLC Samson, O=LLC Samson, STREET="Shevchenkivsky Raion, Vulytsya Yakira, Budynok 13, Ofis 320", L=Kyyiv, S=Kyyivska, PostalCode=04119, C=UA

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

Serial number:
2F6D1501144924F4A5BD68CA50FEC560

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
196608:K5GcPU+RR88VARRh2NxHFyGmTOs5J9xl4mq/h:es+FARRh2YvOyJVRq/h

Entry address:
0xB366D0

Entry point:
60, BE, 00, 50, A0, 00, 8D, BE, 00, C0, 9F, FF, C7, 87, CC, B0, 64, 00, 7A, 29, 18, 17, 57, 83, CD, FF, EB, 0E, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46...
 
[+]

Packer / compiler:
UPX v0.89.6 - v1.02 / v1.05 -v1.22 (Delphi) stub

Code size:
5.2 MB (5,447,680 bytes)

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

http://mtye5tvrabthhja.do-eic.ru/eERkYmRRSk1JYWlReyJzaWQiOiI2NDE2Iiwic3ViX2lkIjoiMzIwOTI3NCIsInJuZDAiOiJOUkcyVGkvdnl1bkdGK0p6SnFHcFl3IiwidmVyIjoiMSIsIm5hbWUiOiJydXNmb2xkZXJfZG93bmxvYWRlciIsInVybCI6Imh0dHA6Ly9zdGc1ODQucnVzZm9sZGVyLmNvbS9kb3dubG9hZC8_MzUzNjU1NTEmMmVsbDBLRXhVVyUyQlpNN1NOWFNNcmROdiUyRlNQVnIxS3p6QU8lMkZVUzFsS3FXRjVOemRtOThlNG1jQkRuN1BRJTJGbzg0WEQlMkIlMkYzc2ROVTFuV2JpUE5mZDEzMkVFazBLNzhWdWlkJmluc3RhbGxtb25zdGVyPTEiLCJ0eXBlIjoiaWZvbGRlciIsInNpemUiOiIxNzQxOTkwMiJ9

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