mi_primer_millon_libro_pdf_download.exe

M-Downloader

CJSC InvestService

The application mi_primer_millon_libro_pdf_download.exe, “M-Downloader Setup ” by CJSC InvestService has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the Inno Setup installer. The file has been seen being downloaded from getmdownloader.com.
Publisher:
CJSC InvestService  (signed and verified)

Product:
M-Downloader

Description:
M-Downloader Setup

MD5:
cb25b413fa5c8b42f2b33efa53f3ee97

SHA-1:
17d559b120e112b7f0ca87191644f1e62ba612dc

SHA-256:
fe1e1088793c6f7788025508e305164b7c70eab03c4bc9ba3ddb773a854e8de3

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:
12/24/2024 12:43:08 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.CJSCInve.Installer (M)
16.4.27.19

File size:
2.7 MB (2,805,232 bytes)

Product version:
1.0.0.0

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

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

Digital Signature
Authority:
Thawte, Inc.

Valid from:
8/7/2013 7:00:00 PM

Valid to:
8/8/2014 6:59:59 PM

Subject:
CN=CJSC InvestService, OU=IT, O=CJSC InvestService, L=Moscow, S=Russian Federation, C=RU

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

Serial number:
53DEED3D6C58E48AE7CC06211D791405

File PE Metadata
Compilation timestamp:
6/19/1992 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
49152:zq60BrWqpYrztPfeOuw2IimCEbdcM12d8naZyPzIRu1XDjQYUcVoj7hExnHY3qLB:eGaEtPW/w2mCKdccnaZjIX0aoj7hExHD

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, BF, A9, FF, FF, E8, 5E, 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 mi_primer_millon_libro_pdf_download.exe has been seen being distributed by the following URL.

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