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libro.dot_final_downloader.exe

mfwi

CJCS InvestService

The application libro.dot_final_downloader.exe, “mfwi Setup ” by CJCS 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 bookmasterfind.com.
Publisher:
MF Team   (signed by CJCS InvestService)

Product:
mfwi

Description:
mfwi Setup

MD5:
ae055ff1cffecb1b0eefe29dd750e36a

SHA-1:
381dde4c0d5f6dc63346ed94135446b104426f9e

SHA-256:
e29310640817bbe076d56c93f5b216b3eca3fed9ea95b509f19cf7ea1a0d7fe8

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:
11/15/2024 3:54:43 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.CJCSInve.Installer (M)
16.6.29.18

File size:
2.7 MB (2,816,632 bytes)

Product version:
1.0.0.4

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

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

Digital Signature
Signed by:
CJCS InvestService

Authority:
Thawte, Inc.

Valid from:
7/16/2012 9:00:00 PM

Valid to:
7/17/2013 8:59:59 PM

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

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

Serial number:
6741A0610E4986E74E3B0B441A52A869

File PE Metadata
Compilation timestamp:
3/17/2011 7:22:54 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
49152:v23GvSHZujfvY8vvBm0TZB16pI0a8cFsY4dHgL4k059lJWldbPBI1rm:u3G6HZujfvZvvBm0TZBKIzQM0PWnbP

Entry address:
0x16478

Entry point:
55, 8B, EC, 83, C4, A4, 53, 56, 57, 33, C0, 89, 45, C4, 89, 45, C0, 89, 45, A4, 89, 45, D0, 89, 45, C8, 89, 45, CC, 89, 45, D4, 89, 45, D8, 89, 45, EC, B8, B0, 52, 41, 00, E8, AC, 03, FF, FF, 33, C0, 55, 68, 45, 6B, 41, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 01, 6B, 41, 00, 64, FF, 32, 64, 89, 22, A1, 48, AB, 41, 00, E8, 4E, EC, FF, FF, E8, F5, E7, FF, FF, 8D, 55, EC, 33, C0, E8, 7F, 84, FF, FF, 8B, 55, EC, B8, AC, D6, 41, 00, E8, E2, E9, FE, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, AC, D6, 41, 00, B2, 01...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
84 KB (86,016 bytes)

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

http://bookmasterfind.com/files/21839d53cb93ac3839f4ed8ed1e97a2a/download.php?get&file_id=&advert=153&sub=9&site=230&filename=libro.dot_final.pdf&name=libro.dot_final.pdf&data=n1OtGZ/.../UHWfXdFhLcpjMU57Yu5HZR3VLEzm cS7ADGZCztzTMLC6V4A==&ip=190.191.185.71&country=AR

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