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flash_upgrade.exe

TODO:

OLX

The application flash_upgrade.exe, “TODO: <File description>” by OLX has been detected as a potentially unwanted program 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 www.4shared.com.
Publisher:
TODO: <Company name>  (signed by OLX)

Product:
TODO: <Product name>

Description:
TODO: <File description>

Version:
3.9.0.1

MD5:
9fec9b3b81fc498b109662c49eac6748

SHA-1:
448b7af38cd3fe436c4ed874995811f52ae693f7

SHA-256:
aa0d126801da7e1006c7523bbcda73e79abe6ecca7bd7f5513e27f61b25721ce

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/27/2024 9:26:33 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.OLX (M)
16.3.30.18

File size:
323.9 KB (331,704 bytes)

Product version:
3.9.0.1

Copyright:
Copyright (C) 2016

Original file name:
AbservoTODO

File type:
Executable application (Win32 EXE)

Language:
Brazilian Portuguese

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

Digital Signature
Signed by:
OLX

Authority:
OLX

Valid from:
10/15/2015 6:07:49 PM

Valid to:
10/15/2016 6:07:49 PM

Subject:
CN=www.olx.pt, O=OLX, L=Lisboa, S=Lisboa, C=PY

Issuer:
CN=www.olx.pt, O=OLX, L=Lisboa, S=Lisboa, C=PY

Serial number:
00CF6272F99AFC8D4B

File PE Metadata
Compilation timestamp:
3/28/2016 9:44:27 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
12.0

CTPH (ssdeep):
3072:/OrJXX5XSUE0XqnLHduKlUTHV/L53XX0uqU8lzPK4goidxbu3Ywv9I9l4ZG:/4JH1s0X0Ob5klzPYbT9l4g

Entry address:
0x76DF

Entry point:
B8, 2C, 93, 4A, 00, 50, 64, FF, 35, 00, 00, 00, 00, 64, 89, 25, 00, 00, 00, 00, 33, C0, 89, 08, 50, 45, 43, 6F, 6D, 70, 61, 63, 74, 32, 00, 56, 07, F4, 98, CD, F6, 7E, 24, AC, 58, 99, 8C, 07, CC, 4C, 73, 0B, 6E, F3, 6A, 4E, 55, 88, 68, 1D, 88, 78, 2F, 3E, DC, 7B, 0C, D7, 6F, 91, E7, AC, E2, FB, A5, C7, F6, 31, 87, C5, 2D, 8D, 0F, 82, B5, 14, C7, 95, 95, 9F, BE, 1C, 85, 32, 88, FC, F0, AB, 0A, A5, CB, CA, 60, 19, DD, FE, 0D, C7, 8C, 1E, 07, 1A, C3, 6E, 4A, 5B, BE, FF, 5D, E4, F6, BE, 79, 60, 7C, 3A, 9A, 84...
 
[+]

Packer / compiler:
PECompact v2

Code size:
76 KB (77,824 bytes)

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

http://www.4shared.com/.../rYrXSf69ba?lgfp=3000&dsid=fu0n0v.498086c1a5d4b9912f1ba50570ecc581&sbsr=d874375f7b66807ca905f461d27fdade96c&usbsr=eda4b7167a5242eb883286eedab9bde096c

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