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whitesmokewriterexpert.exe

WhiteSmoke Inc

The application whitesmokewriterexpert.exe by WhiteSmoke Inc 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 NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from www.google.com and multiple other hosts.
Publisher:
WhiteSmoke Inc  (signed and verified)

Version:
1.00.9000.0

MD5:
230687e485cb0a5f52e4cb4196163233

SHA-1:
799241bacab2dab84252bffdd58c548b9bb03823

SHA-256:
3b1eab9547a5185fbea6041e9d7cdd2c712fa9160a1b12f625143b8c00fecbfb

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:
4/26/2024 4:47:40 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WhiteSmoke.Installer (M)
15.12.22.5

File size:
10 MB (10,437,440 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

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

Digital Signature
Signed by:
WhiteSmoke Inc

Authority:
Symantec Corporation

Valid from:
8/4/2015 5:00:00 PM

Valid to:
9/3/2017 4:59:59 PM

Subject:
CN=WhiteSmoke Inc, O=WhiteSmoke Inc, L=Wilmington, S=Delaware, C=US

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
1464EFB2CC87AF9A3F855E683C12294D

File PE Metadata
Compilation timestamp:
2/24/2012 11:21:56 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
196608:6jZodSeweQ2xcH2F/uvtJgdwQYk6/KdhOduIBPKsK2ZBmBHs9GfW:aoEe/BFYgdH0ib422j9F

Entry address:
0x3814

Entry point:
81, EC, 84, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 1C, C7, 44, 24, 10, 70, 8A, 40, 00, 89, 5C, 24, 18, C6, 44, 24, 14, 20, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 80, 40, 00, 53, FF, 15, A4, 82, 40, 00, 6A, 08, A3, 58, 89, 44, 00, E8, FA, 28, 00, 00, 53, 68, 60, 01, 00, 00, A3, 68, 88, 44, 00, 8D, 44, 24, 3C, 50, 53, 68, 1F, 8B, 40, 00, FF, 15, 70, 81, 40, 00, 68, 14, 8B, 40, 00, 68, 60, 48, 44, 00, E8, 24, 26, 00, 00, FF, 15, AC, 80, 40, 00, 50, BF, 50, 10, 47, 00, 57, E8, 12, 26...
 
[+]

Entropy:
7.9998

Packer / compiler:
Nullsoft install system v2.x

Code size:
27 KB (27,648 bytes)

The file whitesmokewriterexpert.exe has been seen being distributed by the following 2 URLs.

https://www.google.com/url?hl=en&q=https://.../click.zt?linkDgs=9186c3dbaa7&mailDgs=9186c3dbaa5&source=gmail&ust=1482534764939000&usg=AFQjCNGDKA6atjfYlPqekb3XO7SNQlWVQQ

http://get.whitesmoke.com/WhiteSmokeWriterExpert.exe

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