Adware.VrBrothers.B
Adware.VrBrothers.B is identified as a member of the adware category, a type of unwanted software that is typically installed on a computer without the user's full awareness and used to generate revenue for its creators through intrusive advertising. As with many threats in this family, specific technical details about its origin, distribution scale, or exact behavior are not fully documented, but its classification places it firmly among programs designed to serve ads, track user activity, or push additional unwanted software onto a device.
Table of Contents
What This Threat Does
Like most adware, Adware.VrBrothers.B is typically designed to inject or display advertising content on the infected computer. This can include pop-up ads, banner ads, in-text links, or redirects to sponsored websites that the user did not intend to visit. Adware of this type often runs in the background, consuming system resources and potentially modifying browser settings such as the homepage, new tab page, or default search engine without explicit consent. Some adware programs also monitor browsing habits, collecting data about visited websites, search queries, or clicked links in order to deliver more "targeted" advertisements or to sell this information to third parties.
How It Usually Gets Onto Computers
Adware programs like this one commonly spread through bundled software installers. Users often download free programs, media players, download managers, or browser extensions from third-party websites, and the adware component is included as an additional, often pre-selected, installation option. Because installation wizards may obscure these extra offers behind "Quick" or "Recommended" setup options, many users unknowingly agree to install the adware alongside the program they actually wanted. Adware can also arrive through deceptive advertisements, fake software update prompts, or compromised download links that trick users into manually downloading and running the installer.
Risks for the User
While adware is generally considered less dangerous than more severe threats like ransomware or spyware designed for credential theft, it still carries real risks. The constant stream of ads can make browsing frustrating and slow down the system. Some advertisements displayed by adware may lead to malicious or scam websites, including fake tech support pages, phishing sites, or pages that attempt to trick users into downloading further unwanted or harmful software. Additionally, the data collection practices associated with adware can compromise user privacy, as browsing habits and personal interests may be shared with advertising networks without clear consent.
Signs of Infection
Users affected by adware such as this often notice an increase in pop-up ads appearing both inside and outside the browser, even when no browser window is open. Other common signs include a changed browser homepage or search engine, new toolbars or extensions that were not intentionally installed, sluggish browser or system performance, and frequent redirects to unfamiliar websites. Unusual network activity or increased data usage can also indicate that an adware program is running in the background.
How to Stay Protected
To reduce the risk of adware infections, users should download software only from official or trusted sources and carefully review each step of installation wizards, opting out of any bundled offers. Choosing "Custom" or "Advanced" installation settings, rather than "Quick" or "Express," often reveals and allows users to decline additional bundled programs. Keeping the operating system, browser, and installed applications updated, avoiding suspicious ads and pop-ups, and regularly reviewing installed browser extensions and programs can also help catch unwanted software early. Running regular system scans with reputable security software is a recommended practice for detecting and removing adware before it causes further issues.
Analysis Report
General information
| Family Name: | Adware.VrBrothers.B |
|---|---|
| Signature status: | Hash Mismatch |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
0d7b1e5265344c3e97551bc2327dc315
SHA1:
715f95949c1d4ac29501f693746681ad9ce7aefc
SHA256:
3806880BD5EB8A177B28A1D58800F89985E8237192404128B101D767C0FEC565
File Size:
5.12 MB, 5122881 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- File doesn't have relocations information
- File has exports table
- File is 32-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- File is Native application (NOT .NET application)
- File is not packed
- IMAGE_FILE_DLL is not set inside PE header (Executable)
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- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Icons
File Icons
This section displays icon resources found within family samples. Malware often replicates icons commonly associated with legitimate software to mislead users into believing the malware is safe.
Windows PE Version Information
Windows PE Version Information
This section displays values and attributes that have been set in the Windows file version information data structure for samples within this family. To mislead users, malware actors often add fake version information mimicking legitimate software.| Name | Value |
|---|---|
| Comments | QMacro's macro runner. |
| Company Name | vrBrothers Corporation. |
| File Description | QMacro's macro runner. |
| File Version | 9, 6, 2, 12626 |
| Internal Name | MyMacro |
| Legal Copyright | (C) vrBrothers Corporation. All rights reserved. |
| Original Filename | mymacro.exe |
| Product Name | QMacro |
| Product Version | 9, 6, 2, 12626 |
Digital Signatures
Digital Signatures
This section lists digital signatures that are attached to samples within this family. When analyzing and verifying digital signatures, it is important to confirm that the signature’s root authority is a well-known and trustworthy entity and that the status of the signature is good. Malware is often signed with non-trustworthy “Self Signed” digital signatures (which can be easily created by a malware author with no verification). Malware may also be signed by legitimate signatures that have an invalid status, and by signatures from questionable root authorities with fake or misleading “Signer” names.| Signer | Root | Status |
|---|---|---|
| 福州创意嘉和软件有限公司 | VeriSign Class 3 Public Primary Certification Authority - G5 | Hash Mismatch |
File Traits
- 2+ executable sections
- themida
- x86
Block Information
Block Information
During analysis, EnigmaSoft breaks file samples into logical blocks for classification and comparison with other samples. Blocks can be used to generate malware detection rules and to group file samples into families based on shared source code, functionality and other distinguishing attributes and characteristics. This section lists a summary of this block data, as well as its classification by EnigmaSoft. A visual representation of the block data is also displayed, where available.| Total Blocks: | 340 |
|---|---|
| Potentially Malicious Blocks: | 187 |
| Whitelisted Blocks: | 153 |
| Unknown Blocks: | 0 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
Similar Families
Similar Families
This section lists other families that share similarities with this family, based on EnigmaSoft’s analysis. Many malware families are created from the same malware toolkits and use the same packing and encryption techniques but uniquely extend functionality. Similar families may also share source code, attributes, icons, subcomponents, compromised and/or invalid digital signatures, and network characteristics. Researchers leverage these similarities to rapidly and effectively triage file samples and extend malware detection rules.- VrBrothers.B
