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downloadhelper.dll

Ekaterina Afanasova

The module downloadhelper.dll by Ekaterina Afanasova has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is also typically executed from the user's temporary directory.
Publisher:
Ekaterina Afanasova  (signed and verified)

MD5:
3d867726f932e20c9f76ef9980461f57

SHA-1:
57d222b8ab87e3a33298fe555dd664b6025cb824

SHA-256:
4cb8f929897d69dca4267ef895118308b85c7f4c4c40336371a5512c17afb362

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:
5/3/2024 10:33:16 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.10.20.18

File size:
176.9 KB (181,176 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\downloadhelper.dll

Digital Signature
Signed by:
Ekaterina Afanasova

Authority:
thawte, Inc.

Valid from:
3/11/2015 4:00:00 AM

Valid to:
3/11/2016 3:59:59 AM

Subject:
CN=Ekaterina Afanasova, OU=Individual Developer, O=No Organization Affiliation, L=Moscow, S=Moscow, C=RU

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
16A83C4AE21BDCDD4E2EB299D4D5A88E

File PE Metadata
Compilation timestamp:
10/21/2014 2:34:55 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:fjJU529ggyM3gcsyVvk/cJDOtBD0YStzniFN+rHXcivp0t:7yv0BjkOxYStKN+rHsivU

Entry address:
0x134F7

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 13, 89, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, FF, 55, 8B, EC, 8B, 45, 08, 85, C0, 74, 12, 83, E8, 08, 81, 38, DD, DD, 00, 00, 75, 07, 50, E8, C3, C1, FF, FF, 59, 5D, C3, 8B, FF, 55, 8B, EC, 83, EC, 10, A1, 60, 75, 02, 10, 33, C5, 89, 45, FC, 8B, 55, 18, 53, 33, DB, 56, 57, 3B, D3, 7E, 1F, 8B, 45, 14, 8B, CA, 49, 38, 18, 74, 08, 40, 3B, CB, 75, F6, 83, C9, FF, 8B, C2, 2B, C1, 48, 3B, C2, 7D, 01, 40, 89, 45, 18...
 
[+]

Code size:
149.5 KB (153,088 bytes)

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